Posts Tagged ‘Peppered Moths’

Peppered Moths, Textbook Fraud Case

In The Origin of Species, Charles Darwin explains how “external resemblances [of moths]… has been gained for the sake of protection” giving the moth “a better chance of escaping destruction from predaceous birds”… “So that we have an excellent illustration of natural selection.”

Bernard Kettlewell in the early 1950’s was the first to design an experiment to test Darwin’s “excellent example of natural selection” in two types of wooded areas in England—polluted and nonpolluted. Kettlewell demonstrated light colored peppered moths survived better than darker colored moths in areas where the tree trucks were of lighter color, and conversely— darker colored moths survived better than lighter colored moths in areas where the tree trucks were of darker color.

Continue Reading