Cambridge IGCSE Combined Science practice

Paper 3 structured question: Food chains and food webs

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Food chains and food webs

Exam-style question

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Paper 3Theory (Core)3 marks

Analyzing the impact of removing a species from a food chain.

Description

Consider a food chain: Grass → Rabbit → Fox. What happens if the rabbit is removed?

a
Discuss What are the potential effects of removing the rabbit from this food chain?
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)2 marks

Description

In a simple food chain, grass is eaten by rabbits, and rabbits are eaten by foxes.

a
Analyse Describe the flow of energy in this food chain.
Your answer
Aim for approximately 2 distinct marking points.
[2]