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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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Food chains and food webs

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Paper 3Theory (Core)2 marks

Understanding energy transfer in ecosystems

Diagram Description

Simple Food Chain

Grass → Rabbit → Fox

  1. a

    Describe how energy is transferred in the food chain shown.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)1 marks

Description

Producer in a Food Chain

A green plant uses sunlight to make food through photosynthesis. This plant is eaten by a caterpillar, which is then eaten by a bird.

  1. a

    Identify the organism that is the producer in this food chain.

    Aim for approximately 1 distinct marking point.

    [1]