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6 / 15  What is the main difference between dispersal and vicariance?
A  One leads to allopatric speciation, whereas the other leads to sympatric speciation.
B  One involves the movement of the organism, whereas the other involves a change in the environment.
C  One depends on a genetic mutation occurring, whereas the other does not.
D  One involves closely related organisms, whereas the other involves only individuals of the
same species.

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Source:  OpenStax, Natural history supplemental. OpenStax CNX. Aug 19, 2014 Download for free at http://legacy.cnx.org/content/col11695/1.1
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