Movement of Energy Flashcards
Primary productivity
the rate at which solar or chemical energy is captured and converted into chemical bonds by photosynthesis or chemosynthesis
Gross primary productivity
rate at which energy is captured and assimilated by producers in a given area
Net primary productivity
the rate energy is assimilated by producers and converted into producer biomass in a given area
GPP – RESPIRATION = ?
NPP (Net primary productivity)
Egested energy
the portion of consumed energy that is excreted or regurgitated
Assimilated energy
portion of energy that a consumer digests and absorbs
Respired energy
the portion of energy a consumer uses for respiration
Net secondary productivity
rate of consumer biomass accumulation in a given area
10% energy rule
when energy is passed in an ecosystem from one trophic level to the next, only 10% of energy will be passed on
first law of thermodynamics
energy cannot be created or destroyed in an isolated system
