Textbook Question
Atmospheric CO₂ has been increasing rapidly since the late 1800s, largely due to human activities. Recall that CO₂ enters leaves through stomata and can then be used for photosynthesis. However, transpiration occurs as a result of water evaporating through stomata.
How have plants responded to elevated CO₂ levels?
Assuming that the CO₂ level continues to increase with time, how likely are plants to be able to continue to adapt by adjusting stomatal conductance?
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