Over a span of two decades in the 1900s, scientists measured changes in the beak size of a population of Galápagos ground finches. These data could provide ________.
A)evidence of natural selection in action.
B)an example of artificial selection.
C)an example of overproduction.
D)evidence used by Darwin for his theory of evolution

Question

Quizplus · Accepted Answer

The changes in beak size over time in response to environmental pressures demonstrate natural selection, where certain traits become more common in a population due to their advantage in survival and reproduction.

Over a Span of Two Decades in the 1900s, Scientists