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Adaptation and speciation through natural selection
Black peppered moths and white peppered moths
Peppered Moths eat the foliage of lime, birch, willow, hawthorn, rose and oak trees.
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The branches of genetics, paleontology, observed natural selection and speciation all support evolution. Examples: (Genetics) Human chromosome 2 resulted from a fusion of two ancestral chromosomes. (Paleontology) Evolution of the horse. (Natural selection) Observed in Peppered moths. (Speciation) The Hawthorn Fly
Adaptation and speciation through natural selection
Black peppered moths and white peppered moths
There is an abundant amount of evidence that suggests natural selection. One example that suggests evolution by natural selection is the Peppered moth. Peppered moths were originally white and black. During the Industrial revolution in Britain, the black grime made the darker moths more likely to survive and reproduce than the white moths. During the pre-Industrial period, the moths changed back to being white and white-black.
Black peppered moths and white peppered moths
B) that a harmful phenotype may become an advantageous phenotype when the environment changes
The colour of the peppered moth is often used as an example of natural selection. During the Industrial Revolution, the surfaces on which peppered moths frequently settle became increasingly stained with soot from the chimneys of factories, darkening them. Lighter-coloured moths would more easily be seen on these darkened surfaces by predators, and so the chances of survival were less for lighter moths than for darker moths; having a darker colour bestowed a reproductive advantage. As a result, the average colour for the population as a whole became darker.
The peppered moths of England underwent directional selection following the Industrial Revolution. Prior to the pollution caused by industrialization, lighter-colored moths were more common and better camouflaged on the light-colored tree trunks. However, as pollution darkened the tree trunks, the darker moths had a survival advantage and their population increased.
Peppered moths have Camouflage and Mimicry, the use of Camouflage is to hide from predators.
Peppered Moths eat the foliage of lime, birch, willow, hawthorn, rose and oak trees.
Peppered moths are so named for their appearance with their many black spots. The larvae thrive by eating the leaves from a variety of trees like the oak tree.
Peppered moths are so named for their appearance with their many black spots. The larvae thrive by eating the leaves from a variety of trees like the oak tree.
The example of peppered moths is not really different from Darwin's theory, it is the same concept. The only difference is that peppered moths live in the same habitat, where as Darwin's finches live in different habitats, which drove the evolution of their different beak shapes. The peppered moths have adapted to blend into their environment so they're not as easily caught.