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Evaluate the advantages of using a pyramid of energy compared to pyramids of numbers or biomass to represent a food chain.

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Cambridge IGCSE BiologyOrganisms and their environmentSupplement content

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Evaluate the advantages of using a pyramid of energy compared to pyramids of numbers or biomass to represent a food chain

  • This point belongs to Food chains and food webs, especially Food chains and food webs outcomes.
  • You need to be able to evaluate the advantages of using a pyramid of energy compared to pyramids of numbers or biomass to represent a food chain.
  • The key ideas to know are Discuss.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Discuss

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This objective helps connect Food chains and food webs outcomes to exam-style questions, flashcards, and revision notes for Food chains and food webs.

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Paper 4 structured question: Food chains and food webs

Paper 4Theory (Extended)2 marks

Description

Pyramids of Food Chains

Consider the advantages of using different types of pyramids to represent food chains.

  1. a

    Identify one advantage of using a pyramid of energy compared to a pyramid of numbers.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Identify one advantage of using a pyramid of energy compared to a pyramid of biomass.

    Aim for approximately 1 distinct marking point.

    [1]
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