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Essay On Evolution
Part I of Essay
There are many mechanisms that lead to evolutionary change. One of the
most important mechanism in evolution is natural selection which is the
differential success in the reproduction of different phenotypes resulting from
the interaction of organisms with their environment .... Part II of Essay
.... than 100 individuals, but in large populations drift may have no
significant effect on the population. Another mechanism is gene flow which is
when a population may gain or lose alleles by the migration of fertile
individuals between populations. This may cause the allele frequencies in a gene
pool to change and allow the organism to evolve. The most obvious mechanism
would have to be mutation that arises in the gene pool of a population or
individual. It is also the original source of the genetic variation that serves
as raw material fo ....
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Words: 913 - Pages: 4
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