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Specimen of moth (brown spotted variant)

Specimen of moth (brown spotted variant)

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is a black variety of the spotted moth, known for its adaptive changes during the Industrial Revolution. Originally, this moth was white in color with black spots and was suitable for perching on unspoiled trees. However, with the advancement of industrialization, environmental pollution has caused the trunk to turn black, and the original white moth has become conspicuous in this environment, thus being threatened by predators. In the 19th century, as pollution increased, the number of carbon-colored varieties increased rapidly, especially in industrial areas. The phenomenon, dubbed "industrial blackening," has become a classic case of natural selection showing how species adapt to survive changes in their environment.