Question

list 2 ways in which oxygen is consumed and carbon dioxide is produced

Answer 1

Aerobic respiration vs anaerobic respiration

Aerobic Anaerobic

Oxygen Needed Not needed

Glucose breakdown Complete Incomplete

End product(s) Carbon dioxide and water Animal cells: lactic acid. Plant cells and yeast: carbon dioxide and ethanol

Energy released Relatively large amount Relatively small amount

Answer 2

1. RESPIRATION THROUGH LIVING ORGANISMS.
2. DURING BURNING OF A SUBSTANCE.