Primary Productivity and Standing Crop Quiz

• Rate of energy loss in a food chain
• Rate of energy capture and conversion in photosynthesis or chemosynthesis (correct)
• Rate of energy consumption in an ecosystem
• Rate of energy transfer between trophic levels

• GPP is the energy available in an ecosystem, NPP is the energy consumed by consumers
• GPP is the energy assimilated by producers, NPP is the energy lost through respiration
• GPP is the total energy captured by producers, NPP is the energy assimilated and converted into producer biomass (correct)
• GPP is the energy converted into chemical bonds, NPP is the energy captured by producers

• The energy converted into chemical bonds by photosynthesis
• The total energy captured by producers in an ecosystem
• The biomass of producers present in a given area at a particular moment in time (correct)
• The energy assimilated by producers in a given area

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