| A | B |
|---|
| community | all the living thing in one ecosystem |
| consumers | organisms that cannot make their own food and must eat other organisms |
| decomposers | organisms that eat dead organisms and wastes |
| ecosystem | the series of relationships between a community of organisms and the environment |
| food web | many food chians that cross over one another |
| habitat | the place where an organism lives |
| mutualism | a symbiotic relationship in which both partners are helped |
| niche | the job function of an organism within an ecosystem |
| population | the group of one kind of organism living in an ecosystem |
| producers | organisms that make food by using energy from the sun |
