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191661
Pyramids of Biomass and Numbers
Description
GCSE BIOLOGY (Biology module 2) Mind Map on Pyramids of Biomass and Numbers, created by pwincess_sana97 on 04/09/2013.
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biology
biology module 2
biology
biology module 2
gcse
Mind Map by
pwincess_sana97
, updated more than 1 year ago
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Created by
pwincess_sana97
about 11 years ago
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Resource summary
Pyramids of Biomass and Numbers
Each bar on pyramid shows the mass of living material at that stage.
Biomass pyramid are always in a pyramid shape because biomass is lost at each stage in the food chain.
To construct a biomass pyramid you need the dry biomass of the organism
This may be difficult as you might have to kill organisms.
Pyramid of numbers shows the number of organisms at that stage of the food chain- not their mass.
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biomass-upright-pyramid (image/jpeg)
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