| A | B |
|---|
| competition | a contest between animals for territory, a niche, or resources |
| food chain | a contest between animals for territory, a niche, or resources |
| carnivore | an animal that eats flesh |
| herbivore | an animal that eats plants |
| decomposer | an organism that breaks down the cells of dead plants and animals |
| consumer | Any organism that eats other organisms rather than producing its own food |
| producer | Any organism that makes its own food |
| symbiosis | Any relationship or association between members of two or more species |
| omnivore | eating both animal and plant foods |
| predator | One organism feeding on parts or all of a second organism |
| prey | organisms attacked and eaten by other organisms |
| pollutant | Too much of any substance in the wrong place or at the wrong time |
