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5 Which of the following statements best explains
why geographic isolation can lead to speciation?


A Physical separation of populations reduces
competition for each group.

B Physical separation of populations prevents
interbreeding and mixing of gene pools.

C Physical separation of populations provides
more space for each group's size to increase.

D Physical separation of populations stresses
the organisms and causes mutations in their
genetic code.

Respuesta :

KerryM

Answer:

B Physical separation of populations prevents  interbreeding and mixing of gene pools.

Explanation:

Geographic isolation means two populations are unable to reproduce with one another. This means that over time, the variation in the gene pool will be different for one group compared to the other, and the species will genetically diverge from one another. resulting in speciation.

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