Question

Why is the collection of white winged moths and dark winged moths made in England between 1850 – 1920 considered a good example of natural selection?

Answer 1

Because of the white lichens on trees, all of the white-winged moths survived before industrialization. However, after industrialization, predators were able to identify the moths against a contrasting background, making it impossible for the white-winged moths to survive. This showed that in a mixed population of white and dark-winged moths, the moths that can adapt better will survive.