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mainting a stable internal environment.
example! human body maintains its temperature at close to 96 degrees F |
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| biological influences on organisms within an ecosystem |
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| physical/ non-living factors that shape ecosystems ( rocks, temp., climate, elevation |
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| the full range of physical and biological conditions in which an organism lives and the way in which the organisms uses those conditions |
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| competitive exclusion principle |
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| rule in ecology, no two species can occupy the same niche in the same habitat at the same time |
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| an interaction in which one organism captures and feeds on another organism |
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| when two species live closely together |
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| both species benefit from the relationship |
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| one member of the relationship benefits the other member is neither helped nor harmed |
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| one organism benefits while harming the other organism |
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| obtains all or part of its nutrient from the other organism: the host |
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