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Unit 5 Test
Question | Answer |
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ecosystem | all the living and nonliving things in an environment, including their interactions with each other |
population | all the members of one species in an area |
community | all the living things in an ecosystem |
food chain | the path that energy and nutrients follow in an ecosystem |
food web | the overlapping food chains in an ecosystem |
predator | an animal that hunts other animals for food |
prey | a living thing that is hunted for food |
energy pyramid | a diagram that shows the amount the of energy available at each level of an ecosystem |
limiting factor | anything that controls the growth or survival of a population |
carrying capacity | the maximum population size an ecosystem can support |
habitat | the place where a plant or an animal lives and grows |
niche | the role of an organism in an ecosystem |
symbiosis | a relationship between two kinds of organisms over time |
mutualism | a relationship between two kinds of organisms that benefits both |
commensalism | a relationship between two kinds of organisms that benefits one without harming the other |
parasitism | a relationship in which one organism lives in or on another organism and benefits from that relationship while the host organisms is harmed by it |
adaptation | a characteristic that helps an organism to survive in its environment |
camouflage | an adaptation in which an animal protects itself against predators by blending in with the environement |
protective coloration | a type of camouflage in which the color of an animals blends in with its background, protecting the animals against predators |
protective resemblance | a type of camouflage in which the color and the shape pf an animal blends in with its background, protecting it against predators |
mimicry | an adaptation in which an animal is protected against predators by its resemblance to another, unpleasant animal |