Geographic isolation fosters diversity from "summary" of The Origin of Species (Deluxe Library Binding) (Annotated) by Charles Darwin
Geographic isolation plays a critical role in the development of diverse species. When populations of organisms are separated by geographical barriers such as mountains, rivers, or oceans, they are unable to interbreed. This isolation prevents the gene flow between the populations, leading to genetic divergence over time. As a result, each population begins to adapt to its specific environment, undergoing genetic changes that are unique to their location. Natural selection acts on these populations differently, favoring ...
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