Directional Selection in natural selection explains how populations adapt to changing environments by favoring certain phenotypes over others.
Directional Selection is a critical concept in natural selection where environmental changes favor one phenotype over others in a population. One classic example is the evolution of peppered moths in England during the Industrial Revolution, where the frequency of melanic moths increased due to pollution-induced changes in tree coloration. This shift in genetic variance illustrates how populations adapt to environmental pressures over time.
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