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 birds 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?

(1 point)
Responses

mutation
mutation

fitness
fitness

selective pressures
selective pressures

natural selection

Answer 1

natural selection