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In England before the industrial revolution, peppered moths were mainly white with black speckles, but a small group within the population had a genetic mutation that caused them to appear dark gray. After industrialization, the increase in air pollution caused tree bark to darken. Eventually, the lighter-colored peppered moths became less common than the dark-gray moths.

Identify one possible advantage dark-gray peppered moths had other lighter-colored moths after the industrial revolution.

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NGSS.MS-LS4-4

In England before the industrial revolution, peppered moths were mainly white with black speckles, but a small group within the population had a genetic mutation that caused them to appear dark gray. After industrialization, the increase in air pollution caused tree bark to darken. Eventually, the lighter-colored peppered moths became less common than the dark-gray moths.

Predict what will most likely happen to the coloration of peppered moths as pollution control measures increase in England.

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NGSS.MS-LS1-5

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