What is true of the offspring of organisms that reproduce sexually? A. They are genetically identical to one of the parents. B. Genetically, they are completely different from their parents. C.They have some genetic traits of both parents, but are not exactly like either. D. They always have twice as many chromosomes as their parents, since they have two parents.
What is an example of Regeneration? A. a lizard re-growing a lost tail B. a single worm becoming two separate worms when cut in half C. new yeast growths on a parent yeast organism D. bacteria divides into two identical prokaryotic cells
Which of the following organisms reproduces asexually? A. amoeba B. rabbit C. bacteria D. both A and C
A good example of a trait that is controlled by multiple (more than two) alleles is A. color blindness in humans. B. height of pea plants. C. blood type in humans. D. the shape of pea pods.
What process is occurring in the picture above? A. respiration B. regeneration C. budding D. I don't know. Please teach me.
Ferns and mosses reproduce using which of the following? A. spores B. seeds C. cones D. flowers
A bird's nearly hollow bones help it to _______. A. build a nest B. deliver oxygen to its cells C. fly D. defend itself against predators
To prevent infectious disease, the human body naturally produces A. hormones. B. antibodies. C. toxins. D. red blood cells.
A substance that speeds up chemical reactions in the body is called a(n) A. vegetable B. sugar C. mineral D. enzyme
Whale ancestors were land animals that moved to the sea long ago. The fossil record shows that, over many generations, the nostrils moved back to where the whale blowhole is now. Why is this adaptation an advantage for the whale? A. It helps the whale smell things better in the water. B. It prevents water from going into the lungs. C. Having the blowhole on top reduces drag as the whale swims. D. The whale does not have to lift its head out of the water to breathe.
When the temperature of the environment changes, the body temperature of a reptile _______. A. changes B. stays the same C. always increases D. always decreases
Which of the following is not used as evidence of evolution? A. DNA sequences B. stages of development C. body size D. fossil record
What is the name for the process of heating a liquid to a temperature that kills bacteria? A. fermentation B. pasteurization C. radiation D. transpiration
The picture shows a cross section of human skin. Which section is the epidermis? A. Q B. R C. S D. T
Which part is responsible for the movement of this amoeba? A. cilia B. pseudopod C. cell membrane D. flagellum
If all the flowers are picked of a flowering plant, the plant will not be able to do which of the following? A. grow taller. B. produce seeds. C. make its own food. D. absorb nutrients.
Chlorophyll is contained in a plant's A. viruses. B. roots. C. chloroplasts. D. mitochondria.
Which of these animals has radial symmetry? A. a sea anemone B. a butterfly C. a rabbit D. a snail
A carcinogen causes A. cancer B. colds C. allergies D. food poisoning
The cells of two multicelled organisms are analyzed. The results are shown in the table below Based on this information, it can be concluded that A. Organism A is an animal and Organism B is a plant. B. Organisms A and B are both plants. C. Organism A is a plant and Organism B is an animal. D. Organisms A and B are both animals.
Oak, Maple, and Beech trees, which lose their leaves each year, are typically found in which biome? A. Deciduous forest B. Grassland C. Boreal forest D. Tundra
Some protists have characteristics of both plants and animals. They can make their own food as well as consume other small organisms. An organism that would fit into this group would be A. an amoeba B. a euglena C. a red algae D. all protozoans
Where are blood cells produced? A. compact bone B. spongy area C. red marrow D. cartilage
What do fungi have in common with animals? A. They are autotrophs B. They are heterotrophs C. They can move D. They use spores to reproduce
What type of symbiotic relationship is it when both organisms benefit such as algae living on coral? A. coevolution B. commensalism C. mutualism D. parasitism
Which kingdom includes only multicellularheterotrophs? A. Protist B. Moneran C. Plant D. Animal
New yeast grows on a parent yeast organism, and breaks off when it is ready to form a new, separate organism. What type of reproduction is this an example of? A. Sexual reproduction B. Mitosis C. Regeneration D. Asexual reproduction
How many grams are in one kilogram? A. 0.001 B. 0.01 C. 100 D. 1000
A large forest has been destroyed by fire. The forest rangers want to see which types of grasses will prevent soil erosion. They choose ten plots of ground that are the same size, receive the same amount of rain, and have the same type of soil. They plant a different type of grass in each plot and measure soil erosion every week. • What hypothesis is being tested in this study? A. Some types of grasses reduce soil erosion more than others. B. Soil erosion is affected by the slope of the land. C. Planting grass will reduce soil erosion. D. I don't know. Please teach me.
Which land biome is extremely cold and dry? A. A desert B. A tundra C. A grassland D. A mountain
Sarah wanted to find out if heat has an effect on the growth of mold. She grew mold in nine jars. Each jar had the same amount and type of food. Three jars were kept at 0 degrees Celsius. Three jars were kept at 27 degrees Celsius. Three jars were kept at 90 degrees Celsius. After four days, she recorded the growth of the mold. • What hypothesis is she testing? A. The type of food will affect the amount of mold grown. B. The temperature will affect the amount of mold grown. C. The amount of food will affect the amount of food grown. D. The size of the jar will affect the amount of mold grown..
One characteristic used to place organisms into kingdoms is A. how they move. B. where they live. C. their ability to make food. D. their ability to reproduce.
Toshiko wants to determine what type of reproduction a particular organism undergoes. She finds out that all of the organism's offspring look identical to the original organism. She determines that this organism reproduces A. asexually B. frequently C. sexually D. rarely
Fossil evidence for the long history of changing life forms is found primarily in which type of rock? A. sedimentary B. metamorphic C. igneous D. petrified
What symbiotic relationship occurs when one organism benefits while the other is harmed, such as tapeworms living inside a body? A. coevolution B. commensalism C. mutualism D. parasitism
Organisms that have cells that contain a nucleus are called A. prokaryotes B. eukaryotes C. immature D. mature
What kingdom would an insect belong to? A. Plant B. Animal C. Protist D. Fungi
What metric measurement would be used for the above flask? A. cm B. mL C. g D. m
What is the term for consumers that eat a variety of organisms including plants and animals? A. decomposers B. omnivores C. predators D. producers
About how many bacteria colonies were MOST LIKELY in the culture after 96 hours? A. 18 B. 20 C. 24 D. 32
What should happen when a new experiment concludes different results from an existing well- established theory? A. Repeat the new experiment several more times. B. Change the original theory to match the new results. C. Consider the new results to be fact. D. I don't know. Please teach me.
Which of the following tools would be most useful in determining the length and width of a school cafeteria? A. scale B. centimeter ruler C. meter ruler D. kilometer ruler
When dissecting animals in the science class, what should you do if you get animal fluids in your eye? A. rinse your eye with soap right away B. use the eye wash bottle C. rub your eye with a paper towel D. rub your eye with your hand
What kingdom contains organisms that are multicellular, have no chlorophyll and absorb nutrients from decaying matter? A. Fungi B. Plantae C. Protista D. Animalia
A female cat had her tail cut off in an accident. A few months later, she had eight kittens. How many of the kittens probably had tails? A. 0 B. 2 C. 4 D. 8
How many kingdoms of bacteria are there? A. 1 B. 2 C. 3 D. 4
The largest artery in the body is called the A. coronary artery B. atrium C. pacemaker D. aorta
Which of these sources would be most useful for learning more about the endangered species of plants and fish? A. A friend's parents who have a beautiful garden. B. A website sponsored by the National Fish and Wildlife Foundation. C. A newsletter from a company that sells plants. D. A brochure from a nursery that sells unusual plants.
The "power house " of the cell which provides energy to the cell is called the A. nucleus B. mitochondria C. ribosomes D. endoplasmic reticulum