Light, Carbon dioxide levels and temperature are factors that affect the rate of PHOTOSYNTHESIS.
A LIMITING FACTOR of photosynthesis is a factor which prevents the plant carrying out photosynthesis as its OPTIMUM RATE.
Limiting factors for photosynthesis tend to be either light, water, carbon dioxide or temperature.
If there is insufficient light, there is not enough energy given for the photosynthesis reaction.
If there is insufficent water or carbon dioxide, there is not enough reactant for the reaction.
The optimum tempreture for photosynthesis to happen is dependent on the enzymes found within the plant.
Plants have evolved to compete for these limiting factors.
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