 
       
      
    How does aerobic respiration differ from anaerobic respiration?
| Aerobic respiration | Anaerobic respiration | 
| A complete breakdown of food. | An incomplete breakdown of food. | 
| Takes place in the presence of oxygen. | Takes place in the absence of oxygen. | 
| CO2 and water are the byproducts. | Ethanol and CO2 or lactic acid are the byproducts. | 
| Occurs in mitochondria. | Occurs in the cytoplasm. | 
| Occurs in 3 steps: glycolysis, citric acid cycle, and electron transport chain. | Occurs in 2 steps. | 
| A huge amount of energy is released due to the complete oxidation of glucose. | A lesser amount of energy is released due to the incomplete oxidation of glucose. | 
