Contents
Key Stage 4
Meaning
A pyramid of biomass is a diagram used to show the relative amounts of biomass between different trophic levels in a food chain.
About Pyramids of Biomass
- There is always far greater biomass in the first trophic level (producers).
- The amount of biomass in each trophic level in a community decreases as the trophic level increases.
Examples
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| This pyramid of biomass shows the biomass (in grams) of gazelles and bushes in a community needed to support just one cheetah. |
References
AQA
- Pyramid of biomass, pages 300-303, GCSE Biology; Third Edition, Oxford University Press, AQA
- Pyramid of biomass, pages 323, 331, GCSE Biology; Student Book, Collins, AQA
- Pyramids of biomass, page 121, GCSE Biology; The Revision Guide, CGP, AQA
- Pyramids of biomass, pages 288-9, GCSE Biology, Hodder, AQA
- Pyramids of biomass, pages 355-357, GCSE Biology, CGP, AQA