| A | B |
| Ecosystem | all living and non living things interacting with eachother in a given area |
| Community | all living things in an ecosystem |
| Population | all members of one organism within a community |
| Habitat | home for an organism |
| Carnivores | animals that eat animals(meat) |
| Herbivores | animals that eat plants |
| Omnivores | animals that eat both meat and plants |
| Scavengers | animals that eat dead animals |
| Decomposers | an organism that breaks down dead and decaying organisms |
| Niche | the role an organism plays within it's community |