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Ecosystems Week 3
Question | Answer |
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adaptation | The process by which the characteristics of a species change over many generations in response to the environment. |
predator | An organism, usually an animal, that kills another organism for food. |
prey | An organism that is hunted and eaten by another organism. |
photosynthesis | the process in which plants and some other organisms use the energy in sunlight to make food. |
chlorophyll | a green pigment that traps energy from the sun. |
symbiosis | The relationship between two organisms or species that live together in an environment. |
host | An organism that is infected by a parasite. |
parasite | An organism that lives in or on another organism (the host) and obtains nourishment from the host but provide nothing back to that host. |
environment | All the living and nonliving things that surround an organism. |
resource | A natural material in or on Earth’s crust or atmosphere of potential use to humans. |