Animal Hibernation Worksheet
Explore the fascinating world of animal hibernation with this Grade 8 science worksheet covering its purpose, physiological changes, and examples of hibernating animals.
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Animal Hibernation
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Read each question carefully and answer to the best of your ability. Some questions may require critical thinking and recall of scientific concepts related to animal adaptations.
1. What is the primary purpose of hibernation for animals?
To escape predators
To conserve energy during periods of food scarcity and cold
To reproduce
To migrate to warmer climates
2. Which of the following physiological changes is characteristic of a hibernating animal?
Increased heart rate
Elevated body temperature
Decreased metabolic rate
Increased activity levels
3. During hibernation, an animal's body temperature can drop significantly, sometimes to just a few degrees above .
4. Animals prepare for hibernation by consuming large amounts of food to build up fat reserves, which serve as their primary source of during their dormant period.
5. Bears are considered true hibernators because their body temperature drops to near freezing and they are difficult to arouse.
True
False
6. Estivation is a form of dormancy that animals enter during hot, dry periods, similar to hibernation in its purpose.
True
False
7. Describe at least three physiological changes that occur in an animal's body during hibernation.
8. Explain the difference between true hibernation and torpor, providing an example of an animal that exhibits each.
9. The image above shows a bear in its den. Based on your knowledge of hibernation, explain why bears enter this state and how their bodies adapt to survive through winter.
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