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Learning objective

Explain that a food chain illustrates how energy is transferred from one organism to another, starting with a producer.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyOrganisms and their environmentCore content

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Quick explanation

Explain that a food chain illustrates how energy is transferred from one organism to another, starting with a producer

  • This point belongs to Food chains and food webs, especially Food chains and food webs outcomes.
  • You need to be able to explain that a food chain illustrates how energy is transferred from one organism to another, starting with a producer.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

Why it matters

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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Practice Questions7 linked questions

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)2 marks

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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