Before England's industrial revolution, the forests outside of London had many trees with light colored bark. This was an ideal environment for the white peppered moth, while the dark colored peppered moths were less likely to survive. After the industrial revolution, the smoke from the new factories turned the once lightly colored trees to a darker color. As a result, the white phenotype was less likely to survive, and the black phenotype saw an increase within the population. In the example above, which of the following is the selective pressure that dictates which phenotype is more prevalent in the population.
Before England's industrial revolution, the forests outside of London had many trees with light colored bark. This was an ideal environment for the white peppered moth, while the dark colored peppered moths were less likely to survive. After the industrial revolution, the smoke from the new factories turned the once lightly colored trees to a darker color. As a result, the white phenotype was less likely to survive, and the black phenotype saw an increase within the population. In the example above, which of the following is the selective pressure that dictates which phenotype is more prevalent in the population.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Transcribed Image Text:Before England's industrial revolution, the forests outside of London had many trees with
light colored bark. This was an ideal environment for the white peppered moth, while the
dark colored peppered moths were less likely to survive.
After the industrial revolution, the smoke from the new factories turned the once lightly
colored trees to a darker color. As a result, the white phenotype was less likely to survive,
and the black phenotype saw an increase within the population.
In the example above, which of the following is the selective pressure that dictates which
phenotype is more prevalent in the population.
Peppered moths
A
B
с
D
an increase in atmospheric carbon dioxide from industrial activity
global warming from an increase in fossil fuel use
the change in color of the tree bark from the soot
an increase in predators that could camouflage themselves in the darkly colored woods
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