Gce Model Questions Vol1 2020 Biology Question 7

Practice essay / theory question 7 from the 2020 Gce Model Questions Vol1 Biology examination. This question covers Homeostasis .

Gce Model Questions Vol1 2020 Biology Essay / Theory

Topic: Homeostasis

Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay

Homeostasis is the maintenance of a stable internal environment despite external changes. Answer the following questions in detail.

Question Parts

( a )

Define negative feedback and illustrate the principle with a physiological example that is not temperature regulation.

( b )

Outline the neural and hormonal mechanisms that operate together to maintain core body temperature when a person is exposed to a cold environment.

( c )

Compare the strategies used by mammals and reptiles to maintain internal temperature, highlighting at least two advantages and two disadvantages of each strategy.

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About This Question

This is Gce Model Questions Vol1 2020 Biology Question 7. It is one of the essay questions from the 2020 Gce Model Questions Vol1 Biology examination.

The question covers Homeostasis .

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