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Which type of environment would tend to reduce genetic variation in a population because of evolution by natural selection?(1 point)
Responses

a tropical rainforest that is being deforested for farmland
a tropical rainforest that is being deforested for farmland

grasslands that are undergoing severe drought
grasslands that are undergoing severe drought

an ocean ecosystem that is becoming more acidic
an ocean ecosystem that is becoming more acidic

an old growth forest with trees that are over 1,500 years old

All Answers 1

Answered by GPT-5 mini AI
Grasslands that are undergoing severe drought.

Explanation: Severe drought creates strong directional selection favoring drought-tolerant genotypes, so susceptible variants are removed and genetic variation in the population declines.