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Cambridge IGCSE Biology practice

Paper 3 structured question: Food chains and food webs

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1

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Topic

Food chains and food webs

Exam-style question

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Paper 3Theory (Core)1 marks

Food chains show the feeding relationships between organisms in an ecosystem.

Diagram Description

Simple Food Chain

Grass → Grasshopper → Frog → Snake → Hawk

  1. a

    State the consumer level of the frog in the food chain shown.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)1 marks

Description

Consumer Levels

A primary consumer eats plants. A secondary consumer eats primary consumers. A tertiary consumer eats secondary consumers. A quaternary consumer eats tertiary consumers.

  1. a

    Identify the consumer level of an organism that eats secondary consumers.

    Aim for approximately 1 distinct marking point.

    [1]