Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson

Exercise 39

INTERPRETING GRAPHICS: The illustration below shows the occurrence of variations in a particular characteristic within a population. The dark line represents an earlier point in time than the dashed line. Use the illustration to answer the question that follows.

Which type of selection is modeled in the illustration above?
A) sexual selection
B) disruptive selection
C) stabilizing selection
D) directional selection