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INDEX of notes on food chains, food webs, trophic levels, pyramids of biomass,
energy transfer efficiency and pyramids of numbers
Doc Brown's school biology revision notes on biomass
and pyramids
Sub-index for
pages on
biomass, pyramids, energy transfer
(1)
Introduction
to energy and biomass transfer in food chains
(2)
The crucial role of photosynthesis in the formation
of biomass
(3)
Important definitions, food chains, trophic levels and decomposers - examples explained
(4)
Food webs and interdependence - examples explained
(5)
Pyramids of numbers - how to construct them -
examples explained
(6)
Pyramids of biomass, construction,
examples explained, why biomass loss in a food chain?
(7)
Calculations of efficiency of
biomass/energy transfer
WHERE
NEXT?
See also
Ecosystems: biotic & abiotic factors, interactions between organisms, interdependency
and
Biodiversity, land management, waste management,
maintaining ecosystems - conservation
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See also
Carbon cycle,
nitrogen cycle, water cycle and decomposition
gcse biology revision notes
Ecosystems - biotic & abiotic factors - interactions between organisms
- interdependency
Find your GCSE
science course for more help links to revision notes
UK KS3 Science Quizzes for
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