biology 1 chapter 5.1

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…