Biology B4 (8)

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  • Created by: aleena147
  • Created on: 29-12-19 16:24

pyramids of biomass and number

each bar on a pyramid of biomass tells you the mass of the living material at that stage of the food chain

biomass pyramids are always shaped as a pyramid as biomass is lost at each stage in the food chain. 

pyramids of number can be in different shapes 

each bar on a pyramid of numbers shows the number of organisms at that stage of the food chain, not their mass 

pyramids of numbers are sometimes other shapes 

Biomass transfer 

biomass is lost between each trophic level 

green plants and algae use enrgy from the sun through the process of photosynthesis to

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