| A | B |
| predator | An organism that hunts other organisms for food |
| prey | An organism that is killed and eaten by another organism |
| producer | An organism that makes its own food through photosynthesis |
| decomposer | An organism that breaks down dead organisms |
| consumer | An organism that eats producers or other consumers |
| omnivore | An animal that eats both plants and animals |
| carnivore | An animal that eats only other animals |
| herbivore | An animal that eats only plants |
| overpopulation | having too many people or organisms in a particular area, straining available resources and impacting the environment |
| interaction | Living organism something that grows, changes, and makes other living things; ex. tree, rabbit, butterfly Interaction When one part of the ecosystem does something to or with another part of the ecosystem. |