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7 Cards in this Set

  • Front
  • Back
Gross primary productivity
The TOTAL amount of food made by producers
Biomass
The dry mass of living materials in the ecosystem
Net primary productivity
The amount of biomass producer stores and uses for growth
Respiration
the amount of biomass that is used by producers to live
Each trophic level uses about ___% of the energy available so only ____% can be passed on to the next level
90, 10
Biogeochemical cycles
How matter is recycled in the environment
All the suns energy that is added to the earth is ultimately released in what form
Heat