BIOL 1F26 Lecture Notes - Lecture 3: Heterotroph, Decomposer, Autotroph
22 Jan 2016
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Document Summary
Energy= atp converts into adp in ecosystems. Wide range of inputs into most metabolisms. Energy is extracted to prduce atp (output) Atp fuels biosynthesis to build larger complexes/metabolites. Atp generates from the breakdown of different metabolites. When one resource is lowered, other systems balance. Photosynthesis: carbon dioxide + water (light) sugar + oxygen, energy comes from the sun in the form of atp. Food chains: plants fuel higher animals, plants herbivores omnivores carnivores, removing lower levels would cause everything above to die off, trophic level- each feeding level in the food chain. Broken down into autotrophs or primary producers (produce energy. Primary consumers- acquire energy by directly consuming primary producers (herbivores) Secondary consumers- acquire energy by eating primary consumers (carnivores) Gross primary production- the total amount of carbon fixed by primary producers. This is a measure of the energy absorbed in an ecosystem as a result of the autotrophs. Not all of this energy is not available to primary consumers.
