Which evolutionary mechanism caused the increase in dark-colored Biston betularia moths in England in the 1800s?
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Industrial pollution making the tree bark on which the moths hide to become dark and the pressures of evolutionary natural selection.Changes in allele frequencies
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The industrial melanism is the reason behind the color change of dark colored Biston Betularia moths in England.
The industrial Melanism is an effect of evolution in dark colored moths. The industrial Melanation is an effect of industrial Revolution in 1800s. Many Biston Betularia moths evolved to have a dark color to match itself to the polluted environment during and after the industrial revolution.
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