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7.4.1 Trophic levels
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Trophic levels in a food chain

Trophic levels in a food chain

A trophic level is the position of an organism in a food chain. The numbering starts at 1 for producers and increases by one each time an organism eats the organism below it.

7.4.1 Trophic levels Lesson

  1. GCSE
  2. /Biology
  3. /7.4.1 Trophic levels

Step-by-step lessons covering AQA GCSE Biology 7.4.1 Trophic levels for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.