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ecology vocabulary
| Term | Definition |
|---|---|
| Predation | symbiotic relationship in which one organism hunts and kills for its food |
| parasitism | symbiotic relationship in which one organism is benifited and the other is harmed not killed |
| commensalism | symbiotic relationship in which one organism benifits and the other is not affected |
| mutualism | symbiotic relationship in which both organisms benifit |
| trophic level | a step in a food chain or food web |
| abiotic factor | nonliving factor that shapes an ecosystem(rainfall,soil conditions,and tempature) |
| biotic factor | living factors that shape an ecosystem(such as relationships between organisms) |
| niche | the role a organism plays in the ecosystem |
| habitat | place where an organism is found or lives |
| autotroph | organism that makes its own food |
| heterotroph | organism that gets its nutrion by eating other organisms (plants and animals) |
| succession | series of predictable changes in an ecosystem over time |