A Plant’s dilemma

A Plant’s dilemma! “ When to open stomata and photosynthesize – When to close stomata and conserve water!?” Consider that the limiting factor to photosynthesis is the availability of CO. 2 in the atmosphere which currently is present in very dilute concentrations of 0.039% whereas O 2. is relatively concentrated at 20%.. A well hydrated plant would keep stomata open at daytime to allow ... ................
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