Two similar species of finches have the different sized beaks,when they live on the same Galapagos island and eat different types of seeds.But their beak sizes are the same when these two species live on different islands and eat the same type of food.This describes the concept of

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Character displacement is often viewed as evidence that competition and resource partitioning do take place when closely related species share the same resource,such as seeds.

Two Similar Species of Finches Have the Different Sized Beaks,when