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Evolution describes the way species change over time. A species will pass on the more desirable traits to its young. Over time, this process will change the species and help it adapt to its changing environment. A common example is the white moth. Over time, humans began to pollute the area the white moth lived in. Instead of white being a camouflaging color, it made the moth stand out against the dingy gray of the city. Moths that were darker in color survived while the pure white moths were eaten or destroyed by predators. Thus, the white moth became the gray moth. We could watch, over time, as the species began to change. This type of evolution is constantly occurring all around us. Plants and animals adapt with each generation.
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