Recall the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a lead
1. The process of photosynthesis absorbed light energy. It combines Carbon dioxide with Water to form molecules of Glucose and gives of the gas Oxygen, which is considered a waste molecule.
6CO2 + 6H2O ---sunlight---> C6H12O6 + 6O2
2. The process of aerobic respiration requires glucose and oxygen, as they go through enzyme reaction, the glucose molecule is broken down and the energy is used to produced ATP (adenosine triphosphate) as energy and we get the waste of carbon dioxide and water.
C6H12O6 + 6O2 ---enzymes--> ATP + 6CO2 + 6H2O
In conclusion, plant excretes carbon dioxide and oxygen depend upon whether they're doing respiration or photosynthesis.
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