Which of the following examples results from disruptive selection?
A)The birth weight at which newborn humans are most likely to survive and the average weight of newborn humans are about the same.
B)There is an increase in antibiotic-resistant strains of bacteria.
C)There is an increase in the number of different breeds of dog.
D)Garter snakes with different coloration patterns behave differently when threatened.

Question

Quizplus · Accepted Answer

Disruptive selection occurs when individuals with extreme traits have higher fitness than individuals with intermediate traits, leading to the population diverging into two distinct groups. In this example, garter snakes with different coloration patterns behaving differently when threatened is an example of disruptive selection because it could lead to the formation of two distinct groups with different coloration and behaviors.

Which of the Following Examples Results from Disruptive Selection