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Cambridge IGCSE Combined Science 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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3

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4

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Topic

Food chains and food webs

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Paper 3Theory (Core)4 marks

The impact of carnivores on prey populations.

Description

Impact of Carnivores

Carnivores help regulate the populations of herbivores in an ecosystem.

  1. a

    Discuss the importance of carnivores in maintaining ecological balance.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)1 marks

Description

Carnivores in Ecosystems

Carnivores are animals that primarily eat other animals. They play a crucial role in maintaining the balance of ecosystems by controlling prey populations.

  1. a

    Define the term 'carnivore'.

    Aim for approximately 1 distinct marking point.

    [1]