Grade 9 Homeostasis Worksheet
This worksheet covers key concepts of homeostasis, including feedback loops, internal body regulation, and examples like body temperature and blood sugar.
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Grade 9 Homeostasis Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following best defines homeostasis?
The process of maintaining a stable internal environment.
The body's response to external stimuli.
The growth and development of an organism.
The process of energy production in cells.
2. Which type of feedback loop is most common in maintaining homeostasis?
Positive feedback
Negative feedback
Neutral feedback
Both positive and negative feedback equally
3. The human body maintains a constant internal temperature of approximately degrees Celsius through homeostasis.
4. When blood glucose levels rise, the pancreas releases to bring them back to normal.
5. A is a change in the internal or external environment that is detected by a receptor.
6. Homeostasis only applies to physical aspects like temperature and not chemical balances.
True
False
7. Sweating is an example of a homeostatic mechanism to cool the body.
True
False
8. Describe the role of the hypothalamus in regulating body temperature.
9. Explain the difference between positive and negative feedback loops, providing an example of each in the human body.
10. The image below shows various human body systems. Choose two systems and explain how they contribute to maintaining homeostasis.
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