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Define a food web as a system of interconnected food chains and analyze food webs.

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Cambridge IGCSE Combined ScienceOrganisms and their environmentCore content

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Define a food web as a system of interconnected food chains and analyze food webs

  • This point belongs to Food chains and food webs, especially Food chains and food webs outcomes.
  • You need to be able to define a food web as a system of interconnected food chains and analyze food webs.
  • The key ideas to know are Describe and Explain.
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Key concepts

DescribeExplain

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)3 marks

Description

Impact of Species Removal

Consider a food web consisting of plants, herbivores, and carnivores. If one herbivore species is removed, analyze the potential effects on the food web.

  1. a

    Analyse Discuss the potential consequences of removing the herbivore species from the food web.

    Aim for approximately 3 distinct marking points.

    [3]
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