Everybody who has ever thought about evolution knows the story about the moths, right? The change in the moths in the trees,” Korber said. A famous story, yes: she meant the replacement of light-winged forms of the peppered moth (Biston betularia) by dark-winged forms, as the tree trunks of industrialized England became darkened with soot. A mutation for dark wings allowed some moths to escape the notice of predatory birds, and those dark-winged mutants left the most offspring.
