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Biogeographic Isolation

Question 6 • Biology_B_IC_Alt

Explain the process of evolution through isolation that results in speciation.

Answer

Correct Answer:

Speciation through isolation begins when a founding population becomes separated from the main group through biogeographic isolation, such as a physical barrier. Over time, the isolated population experiences different environmental pressures and genetic changes, including mutations and natural selection. These genetic changes accumulate until the groups can no longer interbreed, a state known as reproductive isolation, resulting in the emergence of a new species.

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