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| total of all the resources a species needs to survive |
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| total number of a species occupying a habitat |
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| Competition Exclusion Principal |
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[image]
two species can not coexist indefinitely in the same niche |
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[image]
multiple species use the same resource different ways |
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[image]
when the relationship improves fitness for both parties |
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| [image]One species benifit at the expense of the others |
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| animal that eats other animals |
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| animals that make up small part of the community by weight but have a very large effect |
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| gentic change in one species selects for subsequent change in the genome of another species |
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| [image]change in composition in community due to intereacting of species |
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[image]
occurs in a previously unoccupied area |
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| allows soil to develop paving way for additional organisms to thrive |
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| faster than primary[image] |
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| [image]turn non living organic material into inorganic material |
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| [image]Non living organic material |
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| bacteria returns nitrogen to the air[image] |
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