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Cambridge IGCSE Biology practice

Paper 3 structured question: Populations

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3

Paper

2

Marks

Topic

Populations

Exam-style question

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Paper 3Theory (Core)2 marks

Understanding ecosystems helps explain how organisms depend on their environment.

Description

Ecosystem Components

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

  1. a

    Identify two components that make up an ecosystem.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Populations

Paper 3Theory (Core)2 marks

Description

Ecosystem Definition

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

  1. a

    Describe what is meant by an ecosystem?

    Aim for approximately 2 distinct marking points.

    [2]