biology 1 chapter 5.1

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Pyramids of biomass

  • Radiation from the sun is the main source of energy for living organisms 
  • Green plamts and algae capture light energy during photosynthesis 
  • Biomass is the dry mass of living material in an organism
  • The biomass at each stage in a food chain is less than at the previous stage 

Energy Transfers

  • There is less biomass and energy avaliable at each successive stage in a food chain.
  • Materials are used at each stage and energy may be


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