Comparing the two models of speciation and the biggest difference is in the role of

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The biggest difference between the two models of speciation (Allopatric and Sympatric) is the role of gene flow, which refers to the transfer of genetic variation from one population to another. In Allopatric speciation, gene flow is restricted due to physical barriers, which can lead to divergence and the development of new species. In contrast, gene flow can occur more readily in Sympatric speciation, and other factors such as mutations and natural selection are more important in driving speciation in this model.

Comparing the Two Models of Speciation and the Biggest Difference