| A | B |
|---|
| Population | a group of the same kind of organisms that live in an area |
| Community | All the organisms living together in a particular ecosystem |
| Ecosystem | An area in which living and non living things interact |
| Consumers | A living thing that obtains energy by eating other living things |
| Producers | An organism that makes its own food thru photosynthesis |
| Deocomposer | A living thing that breaks down the remains of dead organisms |
| Omnivores | A consumer that eats both plants and animals |
| Herbivores | A consumer that eats only plants or other producers |
| Carnivore | A consumer that eats only other animals |
| Commensalism | A close relationship between two kinds of organisms that benefits one of the organisms while neither benefiting or hurting the other |
| Parasitism | The relationship between two organisms in which one organism lives on or in the other, feeds upon it and usually harms it. |
| Mutualism | A close relationship between two or more organisms in which all organisms benefit |
