On the Galápagos Islands, two species of finches have overla…
On the Galápagos Islands, two species of finches have overlapping diets, primarily feeding on seeds. When these species live on separate islands, they have similar beak sizes. However, when they coexist on the same island, one species develops larger beaks to crack open bigger seeds, while the other develops smaller beaks to feed on smaller seeds. What ecological phenomenon does this scenario demonstrate?
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