How did the peppered moth population became mostly dark-colored?
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Hey, hope this will help.
Earlier the white moths were prevalent and more in number. At that time the tree barks were also light in colour. As a result the white moths when they rested on the tree barks were difficult to spot whereas the black moths were easily spotted by predators due to the contrast and thus preyed upon.
When Industrial Revolution came into existence, the tree barks became darker in colour on account of deposition of soot and other pollutants due to pollution. This nade the white moths easy to spot and darker ones difficult. Hence the population of black moths increased.
Earlier the white moths were prevalent and more in number. At that time the tree barks were also light in colour. As a result the white moths when they rested on the tree barks were difficult to spot whereas the black moths were easily spotted by predators due to the contrast and thus preyed upon.
When Industrial Revolution came into existence, the tree barks became darker in colour on account of deposition of soot and other pollutants due to pollution. This nade the white moths easy to spot and darker ones difficult. Hence the population of black moths increased.
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The colour of the peppered moth population DID not change. It was only the tree barks which got darker due to soot deposition.
The peppered moth and the brown moth are 2 different species.
Hope this helps
The peppered moth and the brown moth are 2 different species.
Hope this helps
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