Energy flow & primary productivity (article) | Khan Academy

Gross primary productivity, or GPP, is the rate at which solar energy is captured in sugar molecules during photosynthesis (energy captured per unit area per ... Ifyou'reseeingthismessage,itmeanswe'rehavingtroubleloadingexternalresourcesonourwebsite. Ifyou'rebehindawebfilter,pleasemakesurethatthedomains*.kastatic.organd*.kasandbox.orgareunblocked. CoursesSearchDonateLoginSignupSearchforcourses,skills,andvideosMaincontentScienceBiologylibraryEcologyIntrotoecosystemsIntrotoecosystemsEcosystemsandbiomesWhatisanecosystem?FlowofenergyandmatterthroughecosystemsFoodchains&foodwebsEnergyflow&primaryproductivityThisisthecurrentlyselecteditem.Practice:FoodchainsandfoodwebsNextlessonBiogeochemicalcyclesScience·Biologylibrary·Ecology·IntrotoecosystemsEnergyflow&primary productivityLearnaboutprimaryproductivity,the(in)efficiencyofenergytransferbetweentrophiclevels,andhowtoreadecologicalpyramids.GoogleClassroomFacebookTwitterEmailIntrotoecosystemsEcosystemsandbiomesWhatisanecosystem?FlowofenergyandmatterthroughecosystemsFoodchains&foodwebsEnergyflow&primaryproductivityThisisthecurrentlyselecteditem.Practice:FoodchainsandfoodwebsNextlessonBiogeochemicalcyclesSortby:TopVotedFoodchains&foodwebsFoodchainsandfoodwebsUpNextFoodchainsandfoodwebsBiologyisbroughttoyouwithsupportfromtheAmgenFoundationBiologyisbroughttoyouwithsupportfromthe