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Ecosystems week 3
| Question | Answer |
|---|---|
| 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 |