| A | B |
|---|
| organisms | a living thing made of one or more cells |
| unicellular | one celled organism |
| multicellular | organism with more than one cell |
| ecology | the study of the interactions of living things within the envirnment |
| ecosystem | the interactions of living & non-living things in a specific environment |
| biotic factors | any living organism |
| abiotic factors | a non-living thing |
| producers | any organism that makes its own food |
| consumers | an organism that eats other living things |
| first degree consumers | eat producers |
| second degree consumers | eat consumers that eat producers |
| third degree consumers | first & second degree consumers |
| decomposers | break down & feed on dead plants & animals |
| predator | organism that kills & eats other organisms |
| prey | organism that is hunted/eaten by a predator |
