This rise and fall of the dark-colored peppered moth is a showcase of natural selection, the process that drives biological evolution. It was independently formulated by both Alfred Wallace and Charles Darwin, and later made famous by Darwin's 1859 book On the Origin of Species by Means of Natural Selection. Traits that provide reproductive advantages are naturally selected over generations, making them more prevalent as species evolve to fit their environment.
Chapter:
Becoming One with Nature
Section:
Introduction