Ancestors of the Galàpagos finches had two different types of seeds to eat on some islands.Some seeds were very small,and required small beaks to handle,other seeds were very large and required large strong beaks to crack.This led to ____ among the Galàpagos finches.

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Disruptive selection occurs when extreme values for a trait are favored over intermediate values, leading to the population being divided into two distinct groups. In the case of the Galápagos finches, the presence of two types of seeds (very small and very large) favored birds with either small beaks or large strong beaks, thus leading to disruptive selection.

Ancestors of the Galàpagos Finches Had Two Different Types of Seeds