Biology Video: Evolution and Speciation. Learning Objectives for this video:
Speciation and Evolution. Learn about Speciation. Examine the theory of natural selection, and learn about gene mutation, gene flow, and genetic shift.
Examine allopatric speciation and instantaneous speciation involving polyploidy, and survey intrinsic reproductive isolating mechanisms that complete the divergence of genetically distinct populations by preventing crossbreeding through four different means.
Gain an understanding of how a population evolves as the result of changes, caused by mutation pressure, gene flow, and genetic drift, in the gene frequencies of that population.
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