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ecology vocabulary

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