Natural selection varies the shape of the beaks among Darwin's finches in response to:
A)the available food supply.
B)the available nest building material supplies.
C)the availability of potential mating partners.
D)the presence of ectoparasites on their feathers.
E)the need to improve their feather preening abilities.

Question

Quizplus · Accepted Answer

Natural selection acts on the variation in beak shape among Darwin's finches in response to changes in the available food supply. Finches with more suitable beak shapes for the available food sources are more likely to survive and reproduce, passing on their favorable traits to their offspring.

Natural Selection Varies the Shape of the Beaks Among Darwin's