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3 Cards in this Set
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Mechanical evolution |
•Genetic variation is needed for evolution to occur. Variations occur through sexual reproduction and mutations •Individual organisms do not evolve- populations do •The % of each allele in present population determines the genetic characteristics of the pop. |
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How does evolution occur? |
•Small events accumulate to form new species •Changing %/frequencies of alleles within a pop. leads to evolution •5 common factors can change the allele frequency |
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