Metapopulations occur when species fragmented and

o
Explain the relationship between evolution and natural selection.
o
Give several examples of evolution in natural populations, pointing out what phenotypes are under selection
and what the selection mechanism is.
o
What factors are most important in changing gene frequencies in natural populations? Do some of the
mechanisms work against each other? How?
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BIOL 4253 First Exam Review Brown - Spring 2013
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