Before 1800 most peppered moths in England were light and ndashcolored. During the Industrial Revolution soot and industrial wastes darkened tree trunks. Gradually the light and ndashcolored moths bec?

ame less common as they were more easily spotted by predators against the darkened trees. Conversely, the darker moths had a survival advantage in this soot-covered environment, leading to an increase in their population. This phenomenon is a classic example of natural selection, where environmental changes can shift the frequency of traits in a species over time.