In a population of lizards, 25 percent have dark coloring and 75 percent have light coloring. over time, the environment where the lizards live becomes forested. the dark lizards can hide more easily than the light lizards because they blend in with the tree trunks. the lizard population changes into 80 percent dark-colored lizards and 20 percent light-colored lizards. what is this an example of?
a. genetic mutation
b. disruptive selection
c. genetic drift
d. natural selection