Which of the following is NOT one of the three preconditions that must be met for natural selection to work?

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     the environment must exert some pressure
      individuals in a species must either have or not have the trait
      the trait in question must be inherited
      the trait must show variation among individuals
asked Jun 29, 2012 in Anthropology by anonymous
    

1 Answer

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individuals in a species must either have or not have the trait
answered Jun 30, 2012 by Bioshare ~Top Expert~ (34,070 points)

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