- PHOTOSYNTHESIS involves leaf absorbing light energy
- In this process, it combines CO2 and H2O to form a molecule such as C6H12O6(glucose) whilst giving off the gas O2
- The O2 gas is actually a wasted gas so this is an example of excretion = The release of Metabolic Waste.
- RESPIRATION
- C6H12O6 + O2 (through a series of enzyme reactions, the glucose molecule is broken down) ATP(what is produced in the process) + CO2 + H2O
Plants excrete CO2 and O2 depending on whether they are doing Photosynthesis or Respiration.
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