| A | B |
|---|
| adaptation | a structure or behavior that enables an organism to survive in its environment |
| carnivore | a consumer that eats only other animals |
| commensalism | a close relationship between two kinds of organisms that benefits one of the organisms while neither benefiting nor hurting the other |
| community | all the organisms living together in a particular ecosystem |
| consumer | a living thing that obtains energy by eating other living things |
| decomposer | a living thing that breaks down the remains of dead organisms |
| ecosystem | an area in which living and nonliving things interact |
| herbivore | a consumer that eats only plants or other producers |
| mutualism | a close relationship between two or more organisms in which all organisms benefit |
| niche | the role that each species plays in a commmunity |
| omnivore | a consumer that eats both plants and animals |
| parasitism | a relationship between two organisms in which one organism lives on or in the other, feeds upon it, and usually harms it |
| population | a group of the same kind of organisms that live in an area |
| producer | an organism that makes its own food through photosynthesis |
