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The Evolution of Resistance to Pesticides

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During the past 50 years, more than 200 species of insects that attack crop plants have become highly resistant to DDT and other pesticides. Based on what you have learned in this class regarding evolution, explain the rapid and widespread evolution of resistance. Now that DDT has been banned in the US, what do you expect to happen to levels of resistance to DDT among insect populations?

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Solution Summary

Discussion of when species of insects have become highly resistant to DDT and other pesticides. Explanation of the rapid and widespread evolution of resistance. Focus on the result of banning DDT among insect populations.

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Natural selection is the best or weakest genes from a species that is past on to future generations. Pest, when exposed to DDT, developed genetic shields ...

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