Over a span of two decades,scientists measured changes in the beak size of a population of Galápagos ground finches.This ________.
A)provided evidence of natural selection in action
B)is an example of artificial selection
C)is an example of overproduction
D)led Darwin to his theory of evolution through natural selection

Question

Quizplus · Accepted Answer

The measurement of changed in beak size over time in a population of Galápagos ground finches is a classic example of natural selection in action. It provides evidence of how changes in the environment can result in changes in the physical characteristics of a species over time. This observation was one of many that helped Charles Darwin develop his theory of evolution through natural selection.

Over a Span of Two Decades,scientists Measured Changes in the Beak