Which of the following is an example of 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 at the extreme ends of a trait distribution have higher fitness than individuals with intermediate traits. In this case, garter snakes with different coloration patterns behave differently when threatened, indicating a difference in fitness depending on their coloration.

Which of the Following Is an Example of Disruptive Selection