What did Mayr's theory of speciation focus on?
Geographic isolation
Climate change
Food availability
Predation
Answer
Geographic isolation was the cornerstone of Mayr's theory of speciation. He proposed that when populations of a species become geographically separated, they can diverge genetically and evolve into distinct species. This isolation prevents gene flow between the populations, allowing them to accumulate unique genetic differences over time. Mayr's theory emphasized the role of physical barriers, such as mountains, rivers, or oceans, in facilitating speciation.
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