Biomass Flashcards
what is biomass
biomass is the total dry mass of living material in an organism
the pyramids of numbers do not take into account what
pyramids of numbers do not take into account the size of the organism
what do pyramids of biomass represent
pyramids of biomass represent the relative amount of biomass at each trophic level
what is energy used for
energy is used to create new cells to allow organisms to repair and grow
what are the reasons for inefficient transfer of biomass and why
1) Growth - energy is needed to create new cells
2) Waste products - not all the food is digested
3) Maintenance - organisms must repair damaged cells
4) Respiration - glucose is used in respiration for energy
What percentage of light energy from the Sun are producers able to trap
1 Percent
name 3 farming techniques which help to improve food production?
1) Shortening food chains
2) feeding animals high protein foods
3) limiting energy transfer from livestock to environment