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10.2 Mechanisms of evolution

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3 / 8  Galápagos medium ground finches are found on Santa Cruz and San Cristóbal islands, which are separated by about 100 km of ocean. Occasionally, individuals from either island fly to the other island to stay. This can alter the allele frequencies of the population through which of the following mechanisms?
A  natural selection
B  genetic drift
C  gene flow
D  mutation
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Practice MCQ 2 FlashCards 1 Key Terms 3

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Source:  OpenStax, Concepts of biology for the university of georgia. OpenStax CNX. Aug 09, 2013 Download for free at http://legacy.cnx.org/content/col11520/1.5
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