(4.05 mc)how would the genetic traits of a population change in response to an environmental pressure such as overfishing? the amount of genetic variation in traits would remain the same. the genetic diversity of the population would increase. the genetic traits would not be affected by environmental factors. the genetic traits not selected by fishing would increase in the population.

The correct answer is :
The genetic traits not selected by fishing would increase in the population.

This is explained by the fact that the fish that are selected by fishing are less likely to leave offspring and pass their traits to the next generation.
For an example, if in one fish population the fish that are bigger are fished more often than the smaller individuals, this would increase the number of smaller fishes in the next generation.

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