Aerobic cell respiration results in the complete oxidation of organic substances. Oxygen is required and much energy is released this way. In anaerobic respiration oxygen is not required but the amount of energy released is much smaller.
2.8 Cell respiration
Aerobic cell respiration results in the complete oxidation of organic substances. Oxygen is required and much energy is released this way. In anaerobic respiration oxygen is not required but the amount of energy released is much smaller.