Global Warming Has Led to Less Snow Cover in Some

question 32

Multiple Choice

Global warming has led to less snow cover in some areas. Snow cover provides insulation for some burrowing, hibernating animals. In a population of rodents, some animals have slightly thicker fur, and animals with this trait are more likely to survive the winters with low snow cover and thus produce offspring in the spring. The thicker fur that is present in some animals in the population is an example of

• A) an adaptation.
• B) evolution.
• C) natural selection.
• D) homology.

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