191661
Description
Mind Map by pwincess_sana97, updated more than 1 year ago
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Created by pwincess_sana97
over 11 years ago
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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.
- 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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