| A | B |
|---|
| ecosystem | all living and nonliving things in an area and their interactions |
| habitat | a place that provides all the things an organism needs to live |
| population | a group of organisms of one species that live in an area at the same time |
| community | the group of all the populations in an area |
| predator | a consumer that hunts and eats another animal |
| niche | the role of an organism in an ecosystem |
| producer | organism that makes its own food for energy |
| consumer | organisms that can not make its own food |
| decomposer | organism that gets energy by breaking down wastes and dead organisms |
| food chain | the path that energy and nutrients follow in an ecosystem |
| food web | the overlapping food chains in an ecosystem - a diagram combining many different food chains |
| prey | any animal that is hunted and eaten by others for food |
