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Definition
| process by which one community replaces another community because of changing abiotic factors. |
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Definition
| Establishment of a community in an area of bare rock or bare sand, where no topsoil is present. |
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Definition
| orderly change that occurs in a place where soil remains after a community or organisms has been removed. |
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Term
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Definition
| Certain gases in the Earth's atmosphere, primarily water vapor, reduce the amount of energy Earth radiates into space. |
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Term
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Definition
| number of organisms per unit of living area |
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Term
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Definition
| movement of individuals AWAY from a population |
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Term
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Definition
| movement of individuals INTO a population |
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Term
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Definition
| largest number of individuals in a species that an environment can support for a long time. |
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Term
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Definition
| Overuse of species with economic value-a factor in species extinction. |
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