Which is the best example of organisms that have been naturally selected?
A. Dark-colored peppered moths on soot-covered tree bark during the Industrial Revolution in England.
B. Light-colored peppered moths on soot-covered tree bark during the Industrial Revolution in England.
C. Both light-colored and dark-colored peppered moths on light-colored tree bark before the Industrial Revolution in England.
D. Neither dark-colored nor light-colored peppered moths on light-colored tree bark before the Industrial Revolution in England.

Question

Which is the best example of organisms that have been naturally selected?
	A.	Dark-colored peppered moths on soot-covered tree bark during the Industrial Revolution in England.
	B.	Light-colored peppered moths on soot-covered tree bark during the Industrial Revolution in England.
	C.	Both light-colored and dark-colored peppered moths on light-colored tree bark before the Industrial Revolution in England.
	D.	Neither dark-colored nor light-colored peppered moths on light-colored tree bark before the Industrial Revolution in England.