BASEBALL REVIEW. Play ball…. Amanda lives in a biome that is very similar to a grassland. Trees spot the landscape of this biome. This biome has seasonal rains and stays warm year-round. What kind of biome does Amanda most likely live in? A. coniferous forest B. desert C. savanna
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BASEBALL REVIEW Play ball…
Amanda lives in a biome that is very similar to a grassland. Trees spot the landscape of this biome. This biome has seasonal rains and stays warm year-round. What kind of biome does Amanda most likely live in? • A. coniferous forest • B. desert • C. savanna • D. tropical rain forest
A rodent hibernates to escape the long, cold winter months of this biome. Which biome does the rodent live in? • A. desert • B. coniferous forest • C. tropical rain forest • D. fresh water
Suppose in a particular ecosystem, the climate undergoes a gradual change, resulting in increased rainfall. Mosquitoes living in the ecosystem depend on water for reproduction. How will this climatic change most likely affect the survival of mosquitoes? • A. It will not affect the survival of the mosquitoes in any way. • B. It will lead to an increase in the mosquito population. • C. It will lead to a decrease in the mosquito population. • D. It will force the mosquitoes to migrate to other ecosystems.
A particular species of lizard lives underground for much of the day, escaping the heat. This species of lizard probably lives in a _____. • A. deciduous forest • B. desert • C. ocean • D. tundra
A leech attaches itself to the gums of a crocodile and sucks the crocodile's blood. Then, the crocodile opens its jaws so that an Egyptian Plover bird can kill and eat the leech. The relationship between the crocodile and the Egyptian Plover is an example of _______. • A. mutualism • B. commensalism • C. parasitism • D. predation
Which biome is found near the polar ice caps? • A. tundra • B. taiga • C. coniferous forest • D. tropical rainforest
A bird builds its nest on the branch of a tree. This relationship between the bird and the tree is an example of ________. • A. commensalism • B. mutualism • C. competition • D. parasitism
Competition occurs when two or more organisms within an ecosystem seek the same resource. Which of the following are examples of resources that organisms may compete for? • I. habitat • II. water • III. sunlight • IV. food • A. I, II, and IV only • B. IV only • C. I, II, III, and IV • D. II and IV only
The following diagram represents how energy flows through ecosystems: • sunlight plants herbivores carnivores • What would most likely occur in an ecosystem if a nearby volcano erupted and filled the sky with dust particles, which caused significantly less sunlight to reach the ecosystem over the course of a year? • A. Many plants and animals would die off. • B. Many plants would die, but the animals would survive. • C. The lack of sunlight would not significantly impact the ecosystem. • D. The plants would begin using nutrients in the soil for energy.
Organisms living in an ecosystem depend on the ecosystem’s abiotic factors to survive. Which of the following could be considered an abiotic factor? • A. plants • B. predators • C. bacteria • D. sunlight
A mite is a tiny organism that may "ride" on top of an insect such as beetle in order to move quickly from place to place. This relationship between the mite and the beetle would be an example of parasitism if... • A. the beetle eats the mite. • B. the mite protects the beetle from predators. • C. the beetle is neither harmed nor helped by the mite. • D. the beetle is unable to catch prey because it is slowed down by the mite.
From the last question, this relationship between the mite and the beetle would be an example of mutualism if... • A. the mite protects the beetle from predators. • B. the beetle is neither harmed nor helped by the mite. • C. the beetle eats the mite. • D. the beetle is unable to catch prey because it is slowed down by the mite
Which of the following biomes receives at least 50 inches of rain per year, is warm year-round, and is usually found near the equator? • A. deciduous forest • B. savannah • C. grassland • D. tropical rainforest
Perching birds, such as cardinals, warblers, and robins, live in trees. Suppose a developer cuts down all of the trees in an area to build a housing subdivision. What would most likely happen to the perching birds living in that ecosystem? • A. The perching birds would stop reproducing until new trees grew in the area. • B. The perching birds would be forced to migrate to another area. • C. The perching birds would all starve and subsequently die out. • D. The perching birds would begin building their nests on the ground.
Which relationship below is an example of competition in an ecosystem? • A. Birds eat insects that cattle disturb in their grazing and occasionally ride on the cows' backs. • B. Bald eagles and black bears fish from the same mountain lake. • C. Squirrels nest in an oak tree and insects live under the ground near the tree. • D. Rabbits eat the grasses and shrubs in a meadow and wolves eat the rabbits.
A biome that experiences the seasons of winter, spring, summer, and fall, and non-extreme temperatures is likely to be a(n) _______ biome. • A. arctic • B. tropical • C. tundra • D. temperate
A tapeworm (one of Ms. Petters’ favorite organisms!) is an organism that may live in intestines of an animal. When the animal eats, the tapeworm feeds upon the nutrients of the ingested food. This relationship between the tapeworm and the animal is an example of ________. • A. commensalism • B. parasitism • C. predation • D. mutualism
A mosquito and a human have a ________________________ relationship.
A barnacle and a whale have a _______________________ relationship.
Jobi read in his science textbook that when a laser is shined into a diamond in a dark room, the diamond will scatter the light, throwing many separate, focused beams of light on the walls and ceiling. Jobi hypothesized that any clear, cut stone would have the same effect on a laser. He collected samples of quartz and tried it out, but the quartz did not have the same effect. Jobi decided that his hypothesis and experiment were a waste. Was Jobi correct about this?A.No; his hypothesis was useless, but his experiment was valuable. • B.No; hypotheses are valuable whether or not they are correct. • C.Yes; he chose an untestable hypothesis. • D.Yes; spending time on an experiment that fails is a waste.
Which of the following organisms could most likely live in this type of environment?A.grizzlybear • B.scorpion • C.beaver • D.toucan
Animals, such as mice, are frequently used in scientific research. Which of the following describes an ethical treatment of the mice used in scientific experiments?A.keeping the mice in very small containers for long periods of time • B.notgiving the mice pain medication before performing surgeries • C.providingadequate food, water, and living conditions • D.forgettingto feed the mice from time to time
Which of the following is a testable hypothesis?A.Hurricanes look larger in images taken by an orbiting satellite than in video footage taken by weather reporters standing on Earth's surface. • B.Is there a proportional relationship between the number of pimples a person gets and the amount of chocolate he/she eats? • C.Highlevels of salt in soil will probably affect plant growth by either making the plants grow better or causing the plants to die. • D.Thegrowth rate of an E. coli bacterial colony will increase as temperature increases from 10 °C to 50 °C.
Organisms living in an ecosystem depend on the ecosystem’s abiotic factors to survive. Which of the following could be considered an abiotic factor?A.sunlight • B.plants • C.predators • D.bacteria
When working with chemicals that could be harmful to your skin, clothing, or eyes, it is important to wear _______A.sandals. • B.long, drooping sleeves. • C.safetygoggles. • D.jewelry.
Which of the following best completes the hypothesis?Increasing the salt concentration in a solution… • A.willdecrease the amount of bacteria in the solution. • B.makesthe solution taste saltier. • C.maybe harmful or helpful. • D.willnot have an effect.
Meredith notices that different plant fertilizers are made up of different chemicals. Some fertilizers are high in nitrogen. Other fertilizers are high in phosphorus. Meredith hypothesizes that nitrogen-rich fertilizers are best to grow fruit crops such as strawberries. When she is designing her experiment, what should be her variable?A.type of fruit crop • B.amountof water given to plants • C.typeof fertilizer • D.amountof light given to plants
A hypothesis is best described asA.a summary. • B.adetailed list. • C.aneducated guess. • D.aconclusion based upon evidence.
Yusef is doing an experiment to find out how the amount of sunlight affects the growth of a seedling. He has three identical pots containing grass seeds he planted at the same time. He puts them in windows that receive different amounts of sunlight each day. Every day, Yusef looks at the pots and records his observations. What is the variable in Yusef’s experiment?A.type of soil • B.typeof seedling • C.amountof water • D.amountof sunlight
When conducting an experiment, which of the following is generally true?A.Performing a smaller number of experimental trials makes the results more dependable.B.Performing a larger number of experimental trials makes the results more dependable.C.It is unsafe to perform a large number of experimental trials.D.The number of trials performed does not affect the validity of the results.
Where is the tropical rainforest biome found?A.near the equator • B.innorthern coniferous forests • C.nearthe polar ice caps • D.inmild temperature climates
Which is the best experiment to determine if temperature affects the growth of ivy plants? A.Keepone ivy plant in a dark refrigerator and another on a windowsill near a heater. B.Putone ivy plant in a shady window and another in a sunny window. C.Putone ivy plant in a cool place and another in a warm place, but give both the same amount of light and water. D.Keeptwo ivy plants side by side, but water one with cold water and the other with warm water.
Animals get energy from the food they eat. The original source of the energy in their food is A.theSun. B.thesoil. C.fertilizer. D.thewater cycle.
A glacier recedes and exposes bare rock. Which of the following will most likely occur next?A.Lichen will colonize the bare rock. • B.Treeswill start to grow over the bare rock. • C.Smallanimals will move into the area. • D.Thebare rock will quickly break down into soil.
Which of the following is true about a hypothesis that is proven to be inaccurate?A.It will provide information to help formulate a new hypothesis in the future. • B.Itallows the scientist to eliminate any possibility of a relationship between two variables. • C.Aninaccurate hypothesis is not valuable. • D.Itproves that the exact opposite of the hypothesis is true.
Arthur is testing how well various types of disinfectants can kill E. coli bacteria. He starts with a Petri dish that is covered with a colony of E. coli. He puts exactly one milliliter of each different disinfectant at a different location on the Petri dish. If a disinfectant works, it will eliminate the bacteria in the area in which it was placed. Two days later, Arthur will measure the amount of bacteria that has been cleared out by each disinfectant. Which of the following is a variable in this experiment? • A.the length of time that the disinfectant is used • B.thetype of bacteria used • C.thetype of disinfectant used • D.thePetri dish used
Why is it important to accurately report procedures and results from an experiment?A.So that others can repeat the experiment to see if they get similar results • B.Sothat others can admire your work • C.Sothat others can disprove the results of the experiment • D.Sothat others can check that the experiment was done correctly
In school, Jarrett learned that salt lowers the freezing point of water. He wants to test this in a home experiment. He adds an equal amount of salt and room-temperature water into three identical containers. Which of the following is a constant of his experiment?A.the type of container used • B.theamount of salt in each container • C.theamount of water in each container • D.allof these