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Oh Wait ... that's not right

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Aerobic means that an organism needs oxygen to live. Some microrganisms can live without oxygen and they are called Anaerobic. Bacteria are not dependent on oxygen for energy, but most other living organisms need oxygen. Fats, proteins, and sugars in the food are chemically broken down in the process of digestion to release energy to drive life activities. If oxygen is present, maximum energy is released from the food, and the process is referred to as Aerobic respiration.