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Tag Archives: What is Evolution

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What is Evolution?

ScienceBy William Anderson (Schoolworkhelper Editorial Team)July 30, 20101 Comment

Evolution describes the changes in the gene pool of a species over time.  These changes are the results of mutations, natural selection and genetic drift. Often populations produce more offspring than the environment can support; in other words, they often exceed the carrying capacity.  Over-production of offspring leads to intraspecific competition and survival of the…

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