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Problem : What is a major danger of artificial selection?

The major danger of artificial selection is that traits that lower the fitness of a species can be increased in frequency in the population.

Problem : How might artificial selection be used to increase the yield of food crops such as corn?

Farmers can pick the plants that have produce more or larger ears of corn and allow only these plants to breed to create the next generation.

Problem : How is artificial selection different from natural selection?

Natural selection selects for or against traits based on their effect on the fitness of the organism. In artificial selection, traits are selected for or against based on human preference.
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