SB9k The Carbon Cycle Flashcards
1
Q
stages of the carbon cycle?
A
~carbon enters atmosphere as CO2 from respiration and combustion
~carbon dioxide is absorbed by producers to make carbohydrates in photosynthesis
~carbon compounds passed through food chains
~most carbon consumed is exhaled as CO2 during respiration
~animals and plants die :(
~they are eaten by decomposers and carbon from their corpses is returned to atmosphere as CO2
~if not eaten by decomposers, the corpses may be used in combustion of fossil fuels