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  • Plant and Animal Adaptation Online Quiz
  • Why would a black bear's heart rate slow down during winter?
Multiple choice

Why would a black bear's heart rate slow down during winter?

  1. It is changing colors.

  2. It is migrating.

  3. It is hibernating.

  4. It is looking like another animal.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hibernation involves a significant decrease in heart rate and body temperature to conserve energy during cold months when food is scarce.

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