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Energy between trophic levels

Energy between trophic levels

Energy pyramid showing producers and successive consumers, with less energy available at each higher trophic level

A trophic level is an organism's feeding position, numbered from level 111 for producers. Only chemical energy stored in new biomass can be transferred when an organism is eaten.

9.2 Energy transfer and biodiversity Lesson

  1. GCSE
  2. /Biology
  3. /9.2 Energy transfer and biodiversity

Step-by-step lessons on Edexcel GCSE Biology 9.2 Energy transfer and biodiversity, covering 9.2.1 Energy transfer between trophic levels, 9.2.2 Efficiency of energy transfers, 9.2.3 Human interactions and biodiversity, 9.2.4 Benefits of maintaining biodiversity, and 9.2.5 Biological factors affecting food security. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons