Aerobic respirationAnaerobic respiration1. Oxygen is utilised for the breakdown.1. Oxygen is not required.of respiratory substrate2. It takes place in cytoplasm(glycolysis)2. It takes place in cytoplasm only.and inside mitochondria(Krebscycle).3. End products are carbon dioxide and water3. End products are lactic acidor ethanol and carbon dioxide.4. More energy is released.4. Less energy is released.