Explain How industrial melanism has affected moths?

Industrial melanism is a phenomenon where darker-colored individuals of a species become more prevalent in polluted environments. This is particularly evident in the peppered moth (Biston betularia), where the melanic form became more common during the Industrial Revolution due to soot-blackened tree trunks, which provided better camouflage from predators. As air quality improved and pollution decreased, the lighter-colored moths began to re-emerge as they were less visible against cleaner tree bark. This example illustrates natural selection's role in adapting species to changing environmental conditions.