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Aerobic bacteria require oxygen for cellular respiration, while anaerobic bacteria do not require oxygen and cannot grow in the presence of it. They produce energy through fermentation. They are similar in the the fact they can share nutritional requirements.
Summary. 1  Aerobic and anaerobic are adjectives used in reference to organisms, cellular respiration and physical exercises. 2  Aerobic pertains to ârequiring airâ, while anaerobic means âwithout airâ. 3  Aerobic organisms can live and grow in the presence of oxygen, while anaerobic ones donât necessarily require it to survive. Aerobic respiration uses oxygen as the final electron acceptor in the generation of energy in the form of ATP. 2  In anaerobic respiration, an inorganic acceptor such as sulfur is utilized. 3  Aerobic metabolism is 19 times more efficient than anaerobic.