Consider the following scenario:

Question

In an aquatic bird population, some birds have long legs. Other birds have short legs. The food supply is minimal. The bird with long legs are able to wade farther into the water where they can find fish. Over time, the birds with long legs become more common.
What scientific term best describes this scenario?
A. selective pressures
B. fitness
C. mutation
D. natural selection

Answer 1

D. natural selection