| A | B |
|---|
| Limiting factors | Environmental factor that prevents a population from increasing |
| Carrying capacity | The largest population that an environment can support |
| Niche | An organism's particular role, or how it makes its living |
| Competition | The struggle between organisms to survive in a habitat with limited resources |
| Predation | An interaction in which one organism kills and eats another |
| Predator | The organism that does the killing |
| Prey | The organism that is killed |
| Producer(autotroph) | Produces its own food |
