Sentences with phrase «white peppered moths»

There are both white peppered moths and black peppered moths.

Before the Industrial Revolution, white peppered moths were much more common.

Not exact matches

The fastest and most famous case of evolution by natural selection is the case of the British peppered moths: In the 19th century, as mills and factories began to darken the air with soot, a rare all - black mutant quickly became more common in Britain than the normal white moth with black spots because it was less conspicuous to predators.

Peppered moths changed from speckled white to mostly black (examples of each here) in Britain during the Industrial Revolution.