Survivor the quest lighter9/18/2023 ![]() ![]() We went from a largely rural society to a city or urban one. One of the new fuel sources that was heavily used during this time period was coal. Small amounts of coal can produce large amounts of heat. In the 1800s, manufacturing processes changed. Moth collectors in England noted that most peppered moths collected in the early 1800’s were light gray peppered with bits of black. Many years later most of the moths collected were almost completely black. One form of the species, typica, is a pale lighter color that is peppered with black speckles. The other form, carbonaria, is a much darker color that is peppered with light speckles. This species has two different adult forms. Or the species could have altered behavior, or even change over time to adapt to the new surroundings. It could adapt to these changes in a number of ways. The individuals could move (to try to find trees that match its color). So, what would happen if the trees began changing, and the peppered moths were no longer able to blend in? This means its coloration should match with the trees on which it perches. Like many insects, the peppered moth can benefit from blending into its environment. The caterpillar of the peppered moth can blend in on some trees, looking like a twig. ![]()
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