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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 |