Which is a phenomenon that can result from directional selection?
A)There is an increase in the number of giraffes with long necks in areas of Africa where low-growing trees have died.
B)There is an increase in the number of different breeds of dog.
C)There is an increase in garter snakes with different coloration patterns found in backyard gardens.

Question

Quizplus · Accepted Answer

Directional selection occurs when natural selection favors one extreme phenotype over others, leading to a shift in the population's trait distribution. In this case, giraffes with longer necks are favored due to the scarcity of low-growing trees, resulting in an increase in their numbers.

Which Is a Phenomenon That Can Result from Directional Selection