| A | B |
|---|
| ecosystem | group of communities in a given area |
| species | organisms that can mate and produce fertile offspring |
| ecology | study of interaction between organisms and their environment |
| heterotroph | organisms that can't make their own food |
| autotroph | organisms that can make their own food |
| omnivore | organisms that eat both plant and animal matter |
| herbivore | organisms that eat plants |
| detritvore | organisms that eat on dead matter |
| carnivore | organisms that eat animals (meat) |
| food web | all interconnected food chains in an ecosystem |
