Biology / Bio 1959 · Atom · ~20 seconds
Prokaryotes and the Carbon Cycle
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Prokaryotes cycle carbon between organic and inorganic forms, acting as producers that fix carbon dioxide or decomposers that release it back through respiration.
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Marine photosynthetic bacteria remove carbon dioxide from the atmosphere, while decomposer bacteria return it by breaking down dead organisms.
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Decomposers are essential carbon-cycle participants, not incidental cleanup organisms— without them, carbon would stay locked in dead biomass.