Feedback Loops in Biological Systems
Explore the concepts of positive and negative feedback loops in biological systems with this comprehensive worksheet for Grade 10 Science.
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Feedback Loops in Biological Systems
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Read each question carefully and answer to the best of your ability. This worksheet covers positive and negative feedback loops in biological systems.
1. Which type of feedback loop works to maintain a stable internal environment (homeostasis)?
Positive feedback loop
Negative feedback loop
Neutral feedback loop
Both A and B
2. Childbirth is an example of which type of feedback loop?
Positive feedback loop
Negative feedback loop
Homeostatic feedback loop
None of the above
1. In a negative feedback loop, the response the original stimulus.
2. A positive feedback loop the original stimulus, leading to a greater response.
3. The maintenance of a stable internal environment in a living organism is called .
1. Blood clotting is an example of a negative feedback loop.
True
False
2. Body temperature regulation is primarily controlled by positive feedback loops.
True
False
1. Describe the key difference between a positive feedback loop and a negative feedback loop.
2. Provide one example of a negative feedback loop in the human body and explain how it works.
Match each biological process with the type of feedback loop that primarily regulates it.
1. Regulation of blood glucose
a. Positive Feedback
2. Milk production in mammals
b. Negative Feedback
3. Fever response
c. Homeostasis
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