Cambridge IGCSE Biology practice

Paper 3 structured question: Homeostasis

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Paper

Marks

Topic

Homeostasis

Exam-style question

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Paper 3Theory (Core)2 marks

Homeostasis is vital for organisms to function properly.

Description

Homeostasis is the process of keeping a stable internal environment in the body despite changes outside.

a
Describe what is meant by homeostasis?
Your answer
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[2]

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Paper 3Theory (Core)2 marks

Description

The body uses sensors and effectors to detect and correct changes in internal conditions to maintain stability.

a
Identify two internal conditions that are regulated by homeostasis.
Your answer
Aim for approximately 2 distinct marking points.
[2]