| A | B |
|---|
| ecosystem | all the living and non-living things in an enviroment and all their interactions |
| community | all the living thing in an ecosystem |
| population | all the members of a single type of organism in an ecosystem |
| habitat | the home of a living thing |
| producers | an organism like a plant that makes its own food |
| consumers | an organism that eats producers or other consumers |
| food chain | a series of organisms that depend on one another for food |
| decomposer | an organism that breaks down dead plant and animal material |
| food web | several food chains that are connected |
| carbon dioxide and oxygen | the process of passing oxygen and carbon dioxide from one population to another |
| predators | an animal that hunts other animal for food |
| prey | the animals that predators eat |
| scavengers | an animal that gets its food by eating dead organisms |
| parasite | an organism that lives in or on a host |
| host | an organism that a parasite lives in |
