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| Description: In preindustrial England, most moths were light-colored, and a dominant allele that resulted in darker coloration was rare In post-industrial England, pollution from coal-burning factories changed the colors of the forests Predatory birds ate more light-colored moths in soot-darkened forests, and more dark-colored moths in clean forests Light color is adaptive in areas of low pollution; dark color is adaptive in areas of high pollution Picture Stats: Views: 76 Filesize: 910.65kB Height: 1155 Width: 1287 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48485 |