Cambridge IGCSE Biology practice

Paper 3 structured question: Populations

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Paper

Marks

Topic

Populations

Exam-style question

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Paper 3Theory (Core)2 marks

Ecosystems are important natural systems where living organisms and their environment interact.

Description

An ecosystem is a system that includes a community of organisms and their physical environment, all interacting with one another.

a
Describe what is meant by an ecosystem?
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)2 marks

Description

An ecosystem includes living organisms and the physical environment interacting as a system.

a
Identify two components that make up an ecosystem.
Your answer
Aim for approximately 2 distinct marking points.
[2]