Which of the scenarios is an example of natural selection? A. As soot from a nearly factory darkens tree trunks, the proportion of black months in a forest population increases
B. A short-tailed lizard is born into a population of long-tailed lizards
C. when a drought drastically reduces the food supply, some members of a deer population move to s new area
D. An arctic fox’s fur gets thicker during an exceptionally cold winter