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Cambridge IGCSE Biology practice

Paper 3 structured question: Food chains and food webs

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Attempt questionFood chains and food webs revisionRevise the key idea

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1

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Topic

Food chains and food webs

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Paper 3Theory (Core)1 marks

Understanding consumers in an ecosystem

Description

Definition of a Consumer

A consumer is an organism that obtains energy by consuming other organisms.

  1. a

    State what a consumer is.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)2 marks

Description

Consumers and Energy Flow

Consumers obtain energy by eating other organisms, transferring energy through food chains.

  1. a

    Describe how consumers obtain energy.

    Aim for approximately 2 distinct marking points.

    [2]