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slide2

As red blood cells pick up carbon dioxide from tissues to be moved to the lungs, the carbon dioxide reacts with water to form carbonic acid. Carbonic acid is transported to the lungs where it is converted back to carbon dioxide and water, and the carbon dioxide can then be exhaled. Carbonic anhydrase increases the rate of production of carbonic acid from only 200 molecules of carbonic acid to 600,000 molecules being formed per hour. This increase in reaction rate is necessary for the process to be biologically useful. Carbonic anhydrase is not changes in the reaction. Carbonic anhydrase is a(n)

  • Pigment
  • Substrate
  • Enzyme
  • Reactant
slide3

As red blood cells pick up carbon dioxide from tissues to be moved to the lungs, the carbon dioxide reacts with water to form carbonic acid. Carbonic acid is transported to the lungs where it is converted back to carbon dioxide and water, and the carbon dioxide can then be exhaled. Carbonic anhydrase increases the rate of production of carbonic acid from only 200 molecules of carbonic acid to 600,000 molecules being formed per hour. This increase in reaction rate is necessary for the process to be biologically useful. Carbonic anhydrase is not changes in the reaction. Carbonic anhydrase is a(n)

  • Pigment
  • Substrate
  • Enzyme
  • Reactant
which of the following is the body s internal reaction to introduction of a foreign pathogen
Which of the following is the body’s internal reaction to introduction of a foreign pathogen?
  • Metabolism
  • The presence of tears in the eyes
  • Homeostasis
  • The inflammation response
which of the following is the body s internal reaction to introduction of a foreign pathogen1
Which of the following is the body’s internal reaction to introduction of a foreign pathogen?
  • Metabolism
  • The presence of tears in the eyes
  • Homeostasis
  • The inflammation response
slide6

Karen wants to win a blue ribbon at eh fair this year for the largest tomato plants. She would like to compare two new plant foods on her tomato plants to see if they really make the plants grow larger. Karen needs to design an experiment to see which plant food induces more growth. She has three of the same type so tomato plant, and they all receive the same amount of sunlight, water, and temperature. Karen adds plant food A to plant A, B to plant B, and lets C grow without any plant food. She measures the height of the plants every week. Plant A and B are part of which group?

  • Control
  • Variable
  • Data
  • Experiment
slide7

Karen wants to win a blue ribbon at eh fair this year for the largest tomato plants. She would like to compare two new plant foods on her tomato plants to see if they really make the plants grow larger. Karen needs to design an experiment to see which plant food induces more growth. She has three of the same type so tomato plant, and they all receive the same amount of sunlight, water, and temperature. Karen adds plant food A to plant A, B to plant B, and lets C grow without any plant food. She measures the height of the plants every week. Plant A and B are part of which group?

  • Control
  • Variable
  • Data
  • Experiment
slide8

Karen wants to win a blue ribbon at eh fair this year for the largest tomato plants. She would like to compare two new plant foods on her tomato plants to see if they really make the plants grow larger. Karen needs to design an experiment to see which plant food induces more growth. She has three of the same type so tomato plant, and they all receive the same amount of sunlight, water, and temperature. Karen adds plant food A to plant A, B to plant B, and lets C grow without any plant food. She measures the height of the plants every week. What role does plant food play in the experiment?

  • The dependent variable
  • The independent variable
  • Qualitative data
  • A control group
slide9

Karen wants to win a blue ribbon at eh fair this year for the largest tomato plants. She would like to compare two new plant foods on her tomato plants to see if they really make the plants grow larger. Karen needs to design an experiment to see which plant food induces more growth. She has three of the same type so tomato plant, and they all receive the same amount of sunlight, water, and temperature. Karen adds plant food A to plant A, B to plant B, and lets C grow without any plant food. She measures the height of the plants every week. What role does plant food play in the experiment?

  • The dependent variable
  • The independent variable
  • Qualitative data
  • A control group
the proper way to clean a microscope lens is to
The proper way to clean a microscope lens is to
  • Use the inside of your shirt sleeve
  • Use laboratory paper towels
  • Use saliva and a laboratory paper towel
  • Use specially provided tissues to wipe the lens
the proper way to clean a microscope lens is to1
The proper way to clean a microscope lens is to
  • Use the inside of your shirt sleeve
  • Use laboratory paper towels
  • Use saliva and a laboratory paper towel
  • Use specially provided tissues to wipe the lens
how are transpiration and evaporation related
How are transpiration and evaporation related?
  • Evaporating puts water into the water cycle, and transpiration removes water from the water cycle
  • Evaporation is the first step in the water cycle, and transpiration is the final step
  • They both represent ways in which water enters the atmosphere in the water cycle
  • They both represent ways in which water is removed from the atmosphere in the water cycle
how are transpiration and evaporation related1
How are transpiration and evaporation related?
  • Evaporating puts water into the water cycle, and transpiration removes water from the water cycle
  • Evaporation is the first step in the water cycle, and transpiration is the final step
  • They both represent ways in which water enters the atmosphere in the water cycle
  • They both represent ways in which water is removed from the atmosphere in the water cycle
slide14
Cheetahs occupy the grasslands of the African savanna. Which of the following animals live in the same biome as the cheetah?
  • Platypus
  • Jaguar
  • Rhinoceros
  • Elk
slide15
Cheetahs occupy the grasslands of the African savanna. Which of the following animals live in the same biome as the cheetah?
  • Platypus
  • Jaguar
  • Rhinoceros
  • Elk
slide16
Orcinus orca is the scientific name for the killer whale. Both names represent the _____________ and _____________ of this organism.
  • Kingdom and phylum
  • Class and order
  • Genus and species
  • Family and genus
slide17
Orcinus orca is the scientific name for the killer whale. Both names represent the _____________ and _____________ of this organism.
  • Kingdom and phylum
  • Class and order
  • Genus and species
  • Family and genus
the structure shown belongs to which division of plants
The structure shown belongs to which division of plants?
  • Gymnosperms
  • Angiospersm
  • Pterophyta
  • Bryophytes
the structure shown belongs to which division of plants1
The structure shown belongs to which division of plants?
  • Gymnosperms
  • Angiospersm
  • Pterophyta
  • Bryophytes
the primary function of carbohydrates within a cell is to
The primary function of carbohydrates within a cell is to
  • Provide the main structural components of the cell membrane
  • Provide energy storage within a cell
  • Digest lipids
  • Store cellular information
the primary function of carbohydrates within a cell is to1
The primary function of carbohydrates within a cell is to
  • Provide the main structural components of the cell membrane
  • Provide energy storage within a cell
  • Digest lipids
  • Store cellular information
slide22

The NC State saltwater fish is the red drum, or channel bass, whose species name is Sciaenops ocellatus. Sciaenops is Greek for perch-like marine fish and ocellatus is Latin for eye-like colored spot, which the red drum has on its tail. Scientists believe that the spot may fake predators into attacking the red drum toward their tails instead of near their eyes, allowing the red drum to escape. What type of adaptation does this represent?

  • Physical
  • Chemical
  • Behavioral
  • All of the above
slide23

The NC State saltwater fish is the red drum, or channel bass, whose species name is Sciaenops ocellatus. Sciaenops is Greek for perch-like marine fish and ocellatus is Latin for eye-like colored spot, which the red drum has on its tail. Scientists believe that the spot may fake predators into attacking the red drum toward their tails instead of near their eyes, allowing the red drum to escape. What type of adaptation does this represent?

  • Physical
  • Chemical
  • Behavioral
  • All of the above
slide24

Scientists make many observations and ask many questions about the world around them. From these observations and questions come hypotheses, which are tentative explanations for observed phenomena. For a hypothesis to be scientific, it must be testable by experimentation. Which one of the following is a testable hypothesis?

  • Killer bees are more attracted to the color black than the color white
  • Dogs make better pets then cats
  • Talking to plants makes them feel accepted
  • Swans are more graceful than mallards
slide25

Scientists make many observations and ask many questions about the world around them. From these observations and questions come hypotheses, which are tentative explanations for observed phenomena. For a hypothesis to be scientific, it must be testable by experimentation. Which one of the following is a testable hypothesis?

  • Killer bees are more attracted to the color black than the color white
  • Dogs make better pets then cats
  • Talking to plants makes them feel accepted
  • Swans are more graceful than mallards
which of the following weighs about 1 kg
Which of the following weighs about 1 kg?
  • A cup of water
  • A liter of water
  • A milliliter of water
  • A kiloliter of water
which of the following weighs about 1 kg1
Which of the following weighs about 1 kg?
  • A cup of water
  • A liter of water
  • A milliliter of water
  • A kiloliter of water
slide28

A student heats a beaker full of water over a low flame. While heating, the students adds 3 grams of salt that has been measured out on a tarred beam balance. He allows the solution to boil until its volume has been reduced by 50%. Then he uses metal tongs to transfer the beaker from the flame to an ice bath. What is the likely result of his series of actions?

  • The tongs will melt
  • The beaker will melt
  • The beaker will crack
  • The tongs will crack
slide29

A student heats a beaker full of water over a low flame. While heating, the students adds 3 grams of salt that has been measured out on a tarred beam balance. He allows the solution to boil until its volume has been reduced by 50%. Then he uses metal tongs to transfer the beaker from the flame to an ice bath. What is the likely result of his series of actions?

  • The tongs will melt
  • The beaker will melt
  • The beaker will crack
  • The tongs will crack
slide30
If Henry walks out of school in the afternoon and the ground is wet, he will assume that it has rained. Henry is making a(n)
  • Hypothesis
  • Prediction
  • Inference
  • Theory
slide31
If Henry walks out of school in the afternoon and the ground is wet, he will assume that it has rained. Henry is making a(n)
  • Hypothesis
  • Prediction
  • Inference
  • Theory
which question would be an ecologist most likely research
Which question would be an ecologist most likely research?
  • How do point mutations effect protein synthesis?
  • How do aquatic plants react to PCB’s?
  • What is the chemical structure of sucrose?
  • How does color in petunias pass from parent to offspring?
which question would be an ecologist most likely research1
Which question would be an ecologist most likely research?
  • How do point mutations effect protein synthesis?
  • How do aquatic plants react to PCB’s?
  • What is the chemical structure of sucrose?
  • How does color in petunias pass from parent to offspring?
slide34

A team of researchers announces that they have cloned a human. They refuse to explain their exact method, stating that they do not want anyone to copy their work. Which represents the most likely response from the scientific community?

  • Their work will be accepted because scientists can usually tell from the results whether or not the method was sound
  • It is impossible to clone a human beings, so no one will ever believe the new research
  • Their work will be discounted until their method and results are confirmed in identical trials by other scientists
  • Scientists will believe the new research until it is disproved by other scientists
slide35

A team of researchers announces that they have cloned a human. They refuse to explain their exact method, stating that they do not want anyone to copy their work. Which represents the most likely response from the scientific community?

  • Their work will be accepted because scientists can usually tell from the results whether or not the method was sound
  • It is impossible to clone a human beings, so no one will ever believe the new research
  • Their work will be discounted until their method and results are confirmed in identical trials by other scientists
  • Scientists will believe the new research until it is disproved by other scientists
which of the following web address will most likely contain reliable information
Which of the following web address will most likely contain reliable information?
  • www.bshbusiness.org
  • www.epa.gov
  • www.lets-clean-up.com
  • www.bobspage.com
which of the following web address will most likely contain reliable information1
Which of the following web address will most likely contain reliable information?
  • www.bshbusiness.org
  • www.epa.gov
  • www.lets-clean-up.com
  • www.bobspage.com
slide38

The mass of a graduated cylinder containing 25.0mL of water is 68.0g. When a rock is dropped into the cylinder, the total mass of the cylinder, the water, and the rock is 78.0g, and the volume level of the water rises to 30.0mL. What is the density of the rock?

  • 2.00g/mL
  • 5.00mL
  • 10.0g
  • 15.0g/mL
slide39

The mass of a graduated cylinder containing 25.0mL of water is 68.0g. When a rock is dropped into the cylinder, the total mass of the cylinder, the water, and the rock is 78.0g, and the volume level of the water rises to 30.0mL. What is the density of the rock?

  • 2.00g/mL D=mass/volume
  • 5.00mL mass=78g-68g = 10g
  • 10.0g volume=30mL-25mL=5mL
  • 15.0g/mL D=10g/5mL = 2.00g/mL
which bimolecule listed below is a main structural component of the cell membrane
Which bimolecule listed below is a main structural component of the cell membrane?
  • Protein
  • Carbohydrate
  • Lipid
  • Nucleic acid
which bimolecule listed below is a main structural component of the cell membrane1
Which bimolecule listed below is a main structural component of the cell membrane?
  • Protein
  • Carbohydrate
  • Lipid
  • Nucleic acid
which factor listed below would not contribute to human disease
Which factor listed below would not contribute to human disease?
  • Toxin
  • Genetics
  • Education
  • Nutritional level
which factor listed below would not contribute to human disease1
Which factor listed below would not contribute to human disease?
  • Toxin
  • Genetics
  • Education
  • Nutritional level
slide44

Sand dunes feature various types of vegetation like the common marram grass. When humans attempt to create or restore a dune, they often plant marram grass and other vegetation because

  • It helps the beach recover from pollution
  • It helps prevent dune erosion
  • It stops the tides from coming inland
  • That is where sea turtles lay their eggs
slide45

Sand dunes feature various types of vegetation like the common marram grass. When humans attempt to create or restore a dune, they often plant marram grass and other vegetation because

  • It helps the beach recover from pollution
  • It helps prevent dune erosion
  • It stops the tides from coming inland
  • That is where sea turtles lay their eggs
out of the following products which is the most cost effective to recycle
Out of the following products, which is the most cost-effective to recycle?
  • Newspapers
  • Glass bottles
  • Aluminum cans
  • Styrofoam cups
out of the following products which is the most cost effective to recycle1
Out of the following products, which is the most cost-effective to recycle?
  • Newspapers
  • Glass bottles
  • Aluminum cans
  • Styrofoam cups
slide48

Hunting is one methods of wildlife management, allowing populations of some species to be reduced before they reach or exceed carrying capacity and begin to damage their environment. For instance, snow geese have exceeded their carrying capacity and begun to seriously damage the arctic and sub-arctic salt-marsh habitat that is their summer foraging ground. This prompted President Clinton to sign legislation intended to reduce the population of the geese by 50% over 5 years. However, other kinds of hunting are not intended to control animal populations. Choose the hunting scenario that is not an ecological control tool.

  • Animal management authorities periodically hunt populations of deer in New Jersey
  • Midwestern farmers often hunt coyotes hat harass their livestock
  • African elephants are hunted for the ivory of their trunks
  • Feral cat populations are hunted and killed in all urban and semi-urban areas to reduce the spread of disease
slide49

Hunting is one methods of wildlife management, allowing populations of some species to be reduced before they reach or exceed carrying capacity and begin to damage their environment. For instance, snow geese have exceeded their carrying capacity and begun to seriously damage the arctic and sub-arctic salt-marsh habitat that is their summer foraging ground. This prompted President Clinton to sign legislation intended to reduce the population of the geese by 50% over 5 years. However, other kinds of hunting are not intended to control animal populations. Choose the hunting scenario that is not an ecological control tool.

  • Animal management authorities periodically hunt populations of deer in New Jersey
  • Midwestern farmers often hunt coyotes hat harass their livestock
  • African elephants are hunted for the ivory of their trunks
  • Feral cat populations are hunted and killed in all urban and semi-urban areas to reduce the spread of disease
an organism that has cells with the flexible outer covering is probably a n
An organism that has cells with the flexible outer covering is probably a(n)
  • Plant cell
  • Animal cell
  • Eutonic cell
  • Cell membrane
an organism that has cells with the flexible outer covering is probably a n1
An organism that has cells with the flexible outer covering is probably a(n)
  • Plant cell
  • Animal cell
  • Eutonic cell
  • Cell membrane
an animal cell is placed in a solution of distilled water if left overnight this cell will
An animal cell is placed in a solution of distilled water. If left overnight, this cell will
  • Swell and burst
  • Shrivel and die
  • Undergo chemosynthesis
  • Remain the same, since it has a cell wall to protect it
an animal cell is placed in a solution of distilled water if left overnight this cell will1
An animal cell is placed in a solution of distilled water. If left overnight, this cell will
  • Swell and burst
  • Shrivel and die
  • Undergo chemosynthesis
  • Remain the same, since it has a cell wall to protect it
slide54

A salamander raised away from water until long after its siblings begin swimming successfully will swim just as well the very first time it is placed in water. What is this called?

  • Learned behavior
  • Innate behavior
  • Diurnal behavior
  • Reflex behavior
slide55

A salamander raised away from water until long after its siblings begin swimming successfully will swim just as well the very first time it is placed in water. What is this called?

  • Learned behavior
  • Innate behavior
  • Diurnal behavior
  • Reflex behavior
if a cell is placed in a highly concentrated glucose solution water will leave the cell by
If a cell is placed in a highly concentrated glucose solution, water will leave the cell by
  • Osmosis
  • Diffusion
  • Active transport
  • Facilitated diffusion
if a cell is placed in a highly concentrated glucose solution water will leave the cell by1
If a cell is placed in a highly concentrated glucose solution, water will leave the cell by
  • Osmosis
  • Diffusion
  • Active transport
  • Facilitated diffusion
slide58
During meiosis, only one chromosome from each homologue is passed on to the offspring. This helps increase
  • Genetic variation
  • Genetic mutations
  • Fertilization rates
  • The rate of evolution
slide59
During meiosis, only one chromosome from each homologue is passed on to the offspring. This helps increase
  • Genetic variation
  • Genetic mutations
  • Fertilization rates
  • The rate of evolution
slide60

After fertilization an embryo develops into a zygote through many cell divisions. If the sperm and egg each contain 8 chromosomes, how many chromosomes are contained within a zygote?

  • 4
  • 8
  • 16
  • 32
slide61

After fertilization an embryo develops into a zygote through many cell divisions. If the sperm and egg each contain 8 chromosomes, how many chromosomes are contained within a zygote?

  • 4
  • 8
  • 16
  • 32
slide62

Homeostasis is the term for the relatively stable internal environment maintained by an organism. During physical exertion, animals begin to respire, breath, heavily. What is the purpose of the heavy breathing?

  • To decrease heat loss
  • To increase the amount of oxygen available to cells and remove excess heat
  • To increase the amount of oxygen available to cells and remove excess carbon dioxide
  • To increase the amount of carbon dioxide available to cells and remove excess oxygen
slide63

Homeostasis is the term for the relatively stable internal environment maintained by an organism. During physical exertion, animals begin to respire, breath, heavily. What is the purpose of the heavy breathing?

  • To decrease heat loss
  • To increase the amount of oxygen available to cells and remove excess heat
  • To increase the amount of oxygen available to cells and remove excess carbon dioxide
  • To increase the amount of carbon dioxide available to cells and remove excess oxygen
slide64

A free-living unicellular organism reproduces asexually through binary fission. If the parent cell contains 28 chromosomes, how many chromosomes are contained within the daughter cell?

  • 7
  • 14
  • 28
  • 56
slide65

A free-living unicellular organism reproduces asexually through binary fission. If the parent cell contains 28 chromosomes, how many chromosomes are contained within the daughter cell?

  • 7
  • 14
  • 28
  • 56
slide66

The chemical energy supply for all living cells is contained in a specific molecule. When broken down, this molecule releases the energy so it may be used for activates such as muscle contractions, photosynthesis and locomotion. What is the molecule that is a storehouse of cellular energy?

  • ATP
  • ADP
  • DNA
  • RNA
slide67

The chemical energy supply for all living cells is contained in a specific molecule. When broken down, this molecule releases the energy so it may be used for activates such as muscle contractions, photosynthesis and locomotion. What is the molecule that is a storehouse of cellular energy?

  • ATP
  • ADP
  • DNA
  • RNA
a cell that is capable of carrying out both photosynthesis and respiration is probably a
A cell that is capable of carrying out both photosynthesis and respiration is probably a
  • Prokaryotic cell
  • Mitotic cell
  • Plant cell
  • Animal cell
a cell that is capable of carrying out both photosynthesis and respiration is probably a1
A cell that is capable of carrying out both photosynthesis and respiration is probably a
  • Prokaryotic cell
  • Mitotic cell
  • Plant cell
  • Animal cell
slide71
A student placed an unknown piece of food in a test tube with iodine. The solution turned reddish-brown. This indicates the presence of
  • A lot of fat
  • A lot of starch
  • A little starch
  • A little protein
slide72
A student placed an unknown piece of food in a test tube with iodine. The solution turned reddish-brown. This indicates the presence of
  • A lot of fat
  • A lot of starch
  • A little starch
  • A little protein
slide73

Bacteria inhabit the intestines of cow, and both benefit from the relationship. Cows eat plants but cannot digest the cellulose. The bacteria derive their nutrition from the plants the cow eat and make available nutrients for the cow by breaking down the plant cellulose. What type of organism relationship is this an example of?

  • Mutualism
  • Predation
  • Parasitism
  • Commensalism
slide74

Bacteria inhabit the intestines of cow, and both benefit from the relationship. Cows eat plants but cannot digest the cellulose. The bacteria derive their nutrition from the plants the cow eat and make available nutrients for the cow by breaking down the plant cellulose. What type of organism relationship is this an example of?

  • Mutualism
  • Predation
  • Parasitism
  • Commensalism
what is an organism that lives in the water and makes all of its food from sunlight known as
What is an organism that lives in the water and makes all of its food from sunlight known as?
  • Algae, a producer
  • Algae, a decomposer
  • Moss, a decomposer
  • Moss, a producer
what is an organism that lives in the water and makes all of its food from sunlight known as1
What is an organism that lives in the water and makes all of its food from sunlight known as?
  • Algae, a producer
  • Algae, a decomposer
  • Moss, a decomposer
  • Moss, a producer
slide77

The tropical rain forest is found near the equator. It has abundant rainfall, stays very humid, and experiences an average summer temperature of 25ºC. The floor of the tropical rain forest does not get much sunlight. This is a description of the ecosystem’s

  • Biotic factors
  • Abiotic factors
  • Both biotic and abiotic factors
  • Succession pattern
slide78

The tropical rain forest is found near the equator. It has abundant rainfall, stays very humid, and experiences an average summer temperature of 25ºC. The floor of the tropical rain forest does not get much sunlight. This is a description of the ecosystem’s

  • Biotic factors
  • Abiotic factors
  • Both biotic and abiotic factors
  • Succession pattern
slide79

The snowshoe rabbit is a primary consumer. In summer, it feeds on plants like grass, ferns and leaves; in winter, it eats twigs, the bark from trees and buds from flowers and plants. The fox is both a secondary consumer and an omnivore, eating rabbits and other small prey as well as a wide variety of vegetation. During the summer months, the rabbit has a brown coat to camouflage with the forest floor. Then during the winter months the rabbit grows a white coat to camouflage with the snow. This chromatic camouflage hides it from the fox. If unusually warm winter conditions cause premature melting of the snow, what would happen to the rabbit population

  • Increase greatly due to increased food supply
  • Decrease greatly due to the increased predation
  • Immediately evolve to change its coat color
  • Decrease somewhat, with increased predation outweighing the effect of greater food supply
slide80

The snowshoe rabbit is a primary consumer. In summer, it feeds on plants like grass, ferns and leaves; in winter, it eats twigs, the bark from trees and buds from flowers and plants. The fox is both a secondary consumer and an omnivore, eating rabbits and other small prey as well as a wide variety of vegetation. During the summer months, the rabbit has a brown coat to camouflage with the forest floor. Then during the winter months the rabbit grows a white coat to camouflage with the snow. This chromatic camouflage hides it from the fox. If unusually warm winter conditions cause premature melting of the snow, what would happen to the rabbit population

  • Increase greatly due to increased food supply
  • Decrease greatly due to the increased predation
  • Immediately evolve to change its coat color
  • Decrease somewhat, with increased predation outweighing the effect of greater food supply
slide81

One octopus unscrews a jar lid and receives a food reward. Another octopus observed this occurrence and upon receiving a jar proceeds to quickly unscrew the lid. What type of behavior is this an example of?

  • Innate behavior
  • Learned behavior
  • Diurnal behavior
  • Territorial behavior
slide82

One octopus unscrews a jar lid and receives a food reward. Another octopus observed this occurrence and upon receiving a jar proceeds to quickly unscrew the lid. What type of behavior is this an example of?

  • Innate behavior
  • Learned behavior
  • Diurnal behavior
  • Territorial behavior
which technique would a breeder use to produce cow which give more milk
Which technique would a breeder use to produce cow which give more milk?
  • Artificial selection
  • Natural selection
  • Gene mutation
  • Acquired characteristics
which technique would a breeder use to produce cow which give more milk1
Which technique would a breeder use to produce cow which give more milk?
  • Artificial selection
  • Natural selection
  • Gene mutation
  • Acquired characteristics
slide85

Mass extinction is an event in which many types of living things become extinct in a short period of time. Which of the following statements is the most likely description of the aftermath of a mass extinction?

  • A mass extinction results in gradual extinction of all other species presently alive on earth
  • The survivors of a mass extinction have available to them a great deal of ecological opportunity. Many habitats are opened, and an abundance of new species may evolve.
  • With less demand on resources, surviving species tend to stay unchanged for a long period of time following a mass extinction.
  • After a mass extinction, the occurrence of genetic mutations in surviving species will significantly increase.
slide86

Mass extinction is an event in which many types of living things become extinct in a short period of time. Which of the following statements is the most likely description of the aftermath of a mass extinction?

  • A mass extinction results in gradual extinction of all other species presently alive on earth
  • The survivors of a mass extinction have available to them a great deal of ecological opportunity. Many habitats are opened, and an abundance of new species may evolve.
  • With less demand on resources, surviving species tend to stay unchanged for a long period of time following a mass extinction.
  • After a mass extinction, the occurrence of genetic mutations in surviving species will significantly increase.
slide87

Eukaryotic cells are usually much larger than prokaryotic cells. Which of the following statements is the correct inference to draw from this information.

  • The large eukaryotic cell contain organelles while prokaryotic cells do not.
  • The more compact prokaryotic cell is more specialized than the eukaryotic cell
  • The small prokaryotic cell bands together with other prokaryotic cells for protection.
  • The large eukaryotic cells contain pockets of air called vacuoles that inflate their size
slide88

Eukaryotic cells are usually much larger than prokaryotic cells. Which of the following statements is the correct inference to draw from this information.

  • The large eukaryotic cell contain organelles while prokaryotic cells do not.
  • The more compact prokaryotic cell is more specialized than the eukaryotic cell
  • The small prokaryotic cell bands together with other prokaryotic cells for protection.
  • The large eukaryotic cells contain pockets of air called vacuoles that inflate their size
which process converts the largest quantities of adp to atp during the electron transport chain
Which process converts the largest quantities of ADP to ATP during the electron transport chain?
  • Photosynthesis
  • Aerobic respiration
  • Anaerobic respiration
  • Bicellular respiration
which process converts the largest quantities of adp to atp during the electron transport chain1
Which process converts the largest quantities of ADP to ATP during the electron transport chain?
  • Photosynthesis
  • Aerobic respiration
  • Anaerobic respiration
  • Bicellular respiration
which organelle is responsible for making food in plants
Which organelle is responsible for making food in plants?
  • Chloroplast
  • Endoplasmic reticulum
  • Cell membrane
  • Vacuole
which organelle is responsible for making food in plants1
Which organelle is responsible for making food in plants?
  • Chloroplast
  • Endoplasmic reticulum
  • Cell membrane
  • Vacuole
slide93

Plants produce oxygen which animals use. Animals produce carbon dioxide with plants use. Predict the most likely outcome if airborne pollution blocked the sun’s rays so significantly that the percentage of living plants was decreased by 95%.

  • Plants would quickly evolve to consume a mixture of oxygen and carbon dioxide
  • Animals would quickly evolve to begin using carbon dioxide
  • The atmosphere would fill with carbon dioxide, and animals would begin to die
  • The atmosphere would fill with oxygen, and animals would begin to die
slide94

Plants produce oxygen which animals use. Animals produce carbon dioxide with plants use. Predict the most likely outcome if airborne pollution blocked the sun’s rays so significantly that the percentage of living plants was decreased by 95%.

  • Plants would quickly evolve to consume a mixture of oxygen and carbon dioxide
  • Animals would quickly evolve to begin using carbon dioxide
  • The atmosphere would fill with carbon dioxide, and animals would begin to die
  • The atmosphere would fill with oxygen, and animals would begin to die
slide95
The equation below summarizes what biological process? Light Energy + 6H2O + 6CO2 C6H12O6 +6O2 + ATP
  • Chemophotosynthesis
  • Fermentation
  • Photosynthesis
  • Cellular Respiration
slide96
The equation below summarizes what biological process? Light Energy + 6H2O + 6CO2 C6H12O6 +6O2 + ATP
  • Chemophotosynthesis
  • Fermentation
  • Photosynthesis
  • Cellular Respiration
slide97

A parent has four children. Three of the children have a widow’s peak, and one child has no widow’s peak. What is most likely the inheritance pattern for having a widow’s peak?

  • Dominant
  • Recessive
  • Co-dominant
  • Mutating
slide98

A parent has four children. Three of the children have a widow’s peak, and one child has no widow’s peak. What is most likely the inheritance pattern for having a widow’s peak?

  • Dominant
  • Recessive
  • Co-dominant
  • Mutating
slide99

In aspen trees, the allele for having round leaves (R) is dominant to the allele for having oval leaves (r). Use a Punnett square to determine the probability of parent trees of Rr having offspring with round leaves.

  • 75%
  • 25%
  • 50%
  • 0%
slide100

In aspen trees, the allele for having round leaves (R) is dominant to the allele for having oval leaves (r). Use a Punnett square to determine the probability of parent trees of Rr having offspring with round leaves.

  • 75%
  • 25%
  • 50%
  • 0%
during which process is the language of nucleic acids converted to the language of amino acids
During which process is the language of nucleic acids converted to the language of amino acids?
  • Transcription
  • Translation
  • Replication
  • Osmosis
during which process is the language of nucleic acids converted to the language of amino acids1
During which process is the language of nucleic acids converted to the language of amino acids?
  • Transcription
  • Translation
  • Replication
  • Osmosis
slide103

Cystic fibrosis is a recessive genetic disease that causes the body to produce a thick mucus that builds up in the lungs and digestive tract, causing chronic lung disease and digestive problems. If both parents are carriers for the disease, what is the probability that their offspring will also be a carrier that does not exhibit the disease?

  • 25%
  • 50%
  • 75%
  • 100%
slide104

Cystic fibrosis is a recessive genetic disease that causes the body to produce a thick mucus that builds up in the lungs and digestive tract, causing chronic lung disease and digestive problems. If both parents are carriers for the disease, what is the probability that their offspring will also be a carrier that does not exhibit the disease?

  • 25%
  • 50%
  • 75%
  • 100%
what does the dna code eventually direct the cell to manufacture
What does the DNA code eventually direct the cell to manufacture?
  • Various proteins
  • Amino acids
  • Hydrogen bonds
  • Sugars
what does the dna code eventually direct the cell to manufacture1
What does the DNA code eventually direct the cell to manufacture?
  • Various proteins
  • Amino acids
  • Hydrogen bonds
  • Sugars
slide107

Any mutation in the DNA strand will affect the sequence of amino acids constructed at the ribosome. The most likely effect that the mutation will have involves

  • The shape of the new cell
  • The shape of the proteins produced
  • Rate of mitosis of the cell
  • Rate of formation of the protein
slide108

Any mutation in the DNA strand will affect the sequence of amino acids constructed at the ribosome. The most likely effect that the mutation will have involves

  • The shape of the new cell
  • The shape of the proteins produced
  • Rate of mitosis of the cell
  • Rate of formation of the protein
what type of metamorphosis involves a nymph stage where the organism lack sex organs and wings
What type of metamorphosis involves a nymph stage where the organism lack sex organs and wings?
  • Complete metamorphosis
  • Incomplete metamorphosis
  • Ametabolous metamorphosis
  • Total metamorphosis
what type of metamorphosis involves a nymph stage where the organism lack sex organs and wings1
What type of metamorphosis involves a nymph stage where the organism lack sex organs and wings?
  • Complete metamorphosis
  • Incomplete metamorphosis
  • Ametabolous metamorphosis
  • Total metamorphosis
sponges belong to which kingdom
Sponges belong to which kingdom?
  • Eubacteria
  • Protista
  • Plantae
  • Animalia
sponges belong to which kingdom1
Sponges belong to which kingdom?
  • Eubacteria
  • Protista
  • Plantae
  • Animalia
slide113

Sexual reproduction encourages genetic variation in three ways. Which of the following is not a feature of sexual reproduction that promotes new genetic combinations?

  • Crossing over with genetic recombination
  • Independent assortment at the time of meiosis
  • Increasing the cell population by mitosis
  • Combination of parental genetic backgrounds at fertilization
slide114

Sexual reproduction encourages genetic variation in three ways. Which of the following is not a feature of sexual reproduction that promotes new genetic combinations?

  • Crossing over with genetic recombination
  • Independent assortment at the time of meiosis
  • Increasing the cell population by mitosis
  • Combination of parental genetic backgrounds at fertilization
slide115

The spines of cactus are modified leaves. The thorn of a rose is a modified branch. What does this suggest about the evolution of these two families of plants?

  • The spine and the thorn are analogous structures, so we can conclude that the cactus and the rose did not evolve from a common ancestor
  • The spine and the thorn are vestigial structures, so we can conclude that the cactus and the rose evolved from a common ancestor
  • The spine and the thorn have separate functions, so that they are not homologous and provide no evidence to support a common ancestor
  • The spine and the thorn have similar appearances, so we can conclude that they evolved from a common ancestor
slide116

The spines of cactus are modified leaves. The thorn of a rose is a modified branch. What does this suggest about the evolution of these two families of plants?

  • The spine and the thorn are analogous structures, so we can conclude that the cactus and the rose did not evolve from a common ancestor
  • The spine and the thorn are vestigial structures, so we can conclude that the cactus and the rose evolved from a common ancestor
  • The spine and the thorn have separate functions, so that they are not homologous and provide no evidence to support a common ancestor
  • The spine and the thorn have similar appearances, so we can conclude that they evolved from a common ancestor
slide117
Raccoons occupy the deciduous forests of North America. Which of the following animals live in the same habitat as a raccoon?
  • Platypus
  • Bison
  • Deer
  • Caribou
slide118
Raccoons occupy the deciduous forests of North America. Which of the following animals live in the same habitat as a raccoon?
  • Platypus
  • Bison
  • Deer
  • Caribou
slide119
Which nutrient cycle is most directly impacted by the pervasive use of fertilizers in modern agricultural practice?
  • The carbon cycle
  • The cell cycle
  • The nitrogen cycle
  • The water cycle
slide120
Which nutrient cycle is most directly impacted by the pervasive use of fertilizers in modern agricultural practice?
  • The carbon cycle
  • The cell cycle
  • The nitrogen cycle
  • The water cycle
slide121

The ancestors of polar bears became separated from brown bears when they moved from the mainland to the Arctic ice. Since they were in different environments, the traits selected in the Arctic population were different than the traits selected in the land population. Eventually, the two populations could no longer interbreed. Today, we call the descendants of the Arctic ice population polar bears and the descendants of the mainland population brown bears. What is this phenomenon of the one group of organisms separating and forming two reproductively isolated groups known as?

  • Divergent evolution
  • Extinction
  • Co-evolution
  • Convergent evolution
slide122

The ancestors of polar bears became separated from brown bears when they moved from the mainland to the Arctic ice. Since they were in different environments, the traits selected in the Arctic population were different than the traits selected in the land population. Eventually, the two populations could no longer interbreed. Today, we call the descendants of the Arctic ice population polar bears and the descendants of the mainland population brown bears. What is this phenomenon of the one group of organisms separating and forming two reproductively isolated groups known as?

  • Divergent evolution
  • Extinction
  • Co-evolution
  • Convergent evolution
the class mammalia is further divides according to
The class mammalia is further divides according to
  • The type of hair they have
  • The way they give birth to their young
  • The way their blood flows through their heart
  • The size of their brain
the class mammalia is further divides according to1
The class mammalia is further divides according to
  • The type of hair they have
  • The way they give birth to their young
  • The way their blood flows through their heart
  • The size of their brain
slide125

Biological pest control involves the use of one or several kinds of insects to act as predators or parasites to other insect species that damage a particular crop. This must be done without causing adverse effects to humans, animals, or surrounding environment. Which of the following insect activities would be least useful as a biological control mechanism for common agricultural pests?

  • Some kinds of wasp lay their eggs on the bodies of aphids; the larvae then eat the aphid as they grow
  • Lacewing larvae will eat almost any other insect of suitable size, including caterpillars and aphids
  • Both adult ladybugs and ladybug larvae eat aphids and mites
  • Army ants swarm through a habitat, eating every insect species they encounter
slide126

Biological pest control involves the use of one or several kinds of insects to act as predators or parasites to other insect species that damage a particular crop. This must be done without causing adverse effects to humans, animals, or surrounding environment. Which of the following insect activities would be least useful as a biological control mechanism for common agricultural pests?

  • Some kinds of wasp lay their eggs on the bodies of aphids; the larvae then eat the aphid as they grow
  • Lacewing larvae will eat almost any other insect of suitable size, including caterpillars and aphids
  • Both adult ladybugs and ladybug larvae eat aphids and mites
  • Army ants swarm through a habitat, eating every insect species they encounter
slide127

In NC, the NC Green Power program provides blocks of power produced from renewable resources that can be purchased by consumers. Which of the following sectors of power production in NC would be considered nonrenewable?

  • In-home photovoltaic systems to generate solar power
  • 14 coal-fired plants across NC
  • 18 wind turbines on a mountain top in Lake James State Park
  • 1 methane gas power plant used at the City of Raleigh wastewater facility
slide128

In NC, the NC Green Power program provides blocks of power produced from renewable resources that can be purchased by consumers. Which of the following sectors of power production in NC would be considered nonrenewable?

  • In-home photovoltaic systems to generate solar power
  • 14 coal-fired plants across NC
  • 18 wind turbines on a mountain top in Lake James State Park
  • 1 methane gas power plant used at the City of Raleigh wastewater facility
what is the benefit of nitrogen fixing bacteria
What is the benefit of nitrogen fixing bacteria?
  • They decrease the amount of useable nitrogen in the soil
  • They increase the amount of usable nitrogen in the soil
  • They defend plants against certain pests
  • They serve as food for plants
what is the benefit of nitrogen fixing bacteria1
What is the benefit of nitrogen fixing bacteria?
  • They decrease the amount of useable nitrogen in the soil
  • They increase the amount of usable nitrogen in the soil
  • They defend plants against certain pests
  • They serve as food for plants
slide131

Sickle-cell anemia, a recessive genetic disorder causes red blood cells to take on a crescent shape. The movement of the damaged cells through small blood vessels and capillaries is quite painful. However, there is evidence to suggest that this disease offers some protection against malaria, a disease that also infect the red blood cells. Malaria is common and usually deadly in West Africa. Based on this information, what is an accurate conclusion regarding the effect of sickle-cell on West Africans?

  • Sickle-cell anemia provides protection to all West Africans to differing degrees
  • Sickle-cell may save some individuals from death by malaria, but they will have other medical issues resulting form the sickle-cell anemia itself
  • Sickle-cell causes red blood cells to contract malaria
  • Sickle-cell will save some individuals from death by malaria and then pass out of the blood stream
slide132

Sickle-cell anemia, a recessive genetic disorder causes red blood cells to take on a crescent shape. The movement of the damaged cells through small blood vessels and capillaries is quite painful. However, there is evidence to suggest that this disease offers some protection against malaria, a disease that also infect the red blood cells. Malaria is common and usually deadly in West Africa. Based on this information, what is an accurate conclusion regarding the effect of sickle-cell on West Africans?

  • Sickle-cell anemia provides protection to all West Africans to differing degrees
  • Sickle-cell may save some individuals from death by malaria, but they will have other medical issues resulting form the sickle-cell anemia itself
  • Sickle-cell causes red blood cells to contract malaria
  • Sickle-cell will save some individuals from death by malaria and then pass out of the blood stream