Respiration
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- The process whereby living organisms convert organic matter to CO2, releasing energy and consuming O2.
EPA - Cite This Source - This Definition - The process by which animals use up stored foods (by combustion with oxygen) to produce energy.
EPA - Cite This Source - This Definition - abiotic, biosphere, Biotic, Ecosystem, Environment, Histosol, photosynthesis, Polyvinyl chloride (PVC), Population, Soil