Energy flow & primary productivity (article) | Khan Academy
https://www.khanacademy.org/science/biology/ecology/intro-to-ecosystems/a/energy-flow-primary-productivity
OverviewKey points:IntroductionProducers are the energy gatewayPrimary productivityHow does energy move between trophic levels?Ecological pyramidsEnergy pyramidsBiomass pyramidsNumbers pyramids Learn about primary productivity, the (in)efficiency of energy transfer between trophic levels, an…•Primary producers (usually plants and other photosynthesizers) are the gateway for energy to enter food webs. •Productivity is the rate at which energy is added to the bodies of a group of organisms (such a…•Gross productivity is the overall rate of energy capture. Net productivity is lower, adjusted for energy used by organisms in respiration/metabolism.
Learn about primary productivity, the (in)efficiency of energy transfer between trophic levels, an…•Primary producers (usually plants and other photosynthesizers) are the gateway for energy to enter food webs.
•Productivity is the rate at which energy is added to the bodies of a group of organisms (such a…•Gross productivity is the overall rate of energy capture. Net productivity is lower, adjusted for energy used by organisms in respiration/metabolism.
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