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In the early 1800's, peppered moths living in England rested on tree trunks that were Covered with whitish lichens growing on the trees. The moths were also whitish in color and so matched the color of the background on which they rested. This made the moths less visible to the birds that preyed on them. In the late 1840's, an increasing number of very dark moths began to appear in moth populations near cities where pollution had killed most of the light-coloured lichens that had been growing on the tree trunks, leaving the tree trunks sooty and black. Over the past 100 years, the frequency of dark moths has increased to as much as 98% in populations near polluted cities. MWhat type of selection has operated on moths in the polluted areas since 1840? sexual selection stabilizing selection KID directional selection RID disruptive selection artificial selection

In the early 1800's, peppered moths living in England rested on tree trunks that were Covered with whitish lichens growing on the trees. The moths were also whitish in color and so matched the color of the background on which they rested. This made the moths less visible to the birds that preyed on them. In the late 1840's, an increasing number of very dark moths began to appear in moth populations near cities where pollution had killed most of the light-coloured lichens that had been growing on the tree trunks, leaving the tree trunks sooty and black. Over the past 100 years, the frequency of dark moths has increased to as much as 98% in populations near polluted cities. MWhat type of selection has operated on moths in the polluted areas since 1840? sexual selection stabilizing selection KID directional selection RID disruptive selection artificial selection

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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In the early 1800's, peppered moths living in England rested on tree trunks that were Covered with whitish lichens growing on the trees. The moths were also whitish in color and so matched the color of the background on which they rested. This made the moths less visible to the birds that preyed on them. In the late 1840's, an increasing number of very dark moths began to appear in moth populations near cities where pollution had killed most of the light-coloured lichens that had been growing on the tree trunks, leaving the tree trunks sooty and black. Over the past 100 years, the frequency of dark moths has increased to as much as 98% in populations near polluted cities. Mhat type of selection has operated on moths in the polluted areas since 1840? DD sexual selection D stabilizing selection KIT directional selection ID disruptive selection KD artificial selection
Transcribed Image Text:In the early 1800's, peppered moths living in England rested on tree trunks that were Covered with whitish lichens growing on the trees. The moths were also whitish in color and so matched the color of the background on which they rested. This made the moths less visible to the birds that preyed on them. In the late 1840's, an increasing number of very dark moths began to appear in moth populations near cities where pollution had killed most of the light-coloured lichens that had been growing on the tree trunks, leaving the tree trunks sooty and black. Over the past 100 years, the frequency of dark moths has increased to as much as 98% in populations near polluted cities. Mhat type of selection has operated on moths in the polluted areas since 1840? DD sexual selection D stabilizing selection KIT directional selection ID disruptive selection KD artificial selection
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