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Biology, 14.10.2019 02:10 levon15

In the 1800s , a population of peppered moths was commonly found in the rural areas surrounding manchester , england . almost all the moths were white with small black stripes and spots , a coloring that was very similar to that of the trees the moths perched on while hiding from the birds that preyed on them . in the mid - 1800s , factories started to emerge in manchester . the dark soot they belched out covered the surrounding tree trunks , making the light - colored bark turn dark . around this time , a noticeable change began to occur in the moth population . around 1850 , some black peppered moths were seen in the rural areas . more and more appeared , and by the end of the 1800s , almost all of the peppered moths were black . in fact , very few light - colored moths were seen . using darwin's theory of evolution by natural selection, explain the change in the coloring of the moths. use evidence from the passage above and your knowledge of the four parts of natural selection to support your answer

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