34. Vascular Plant Transport
Water Potential
4:41 minutes
Problem 15
Textbook Question
Textbook QuestionAtmospheric 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? In the year 1915, the stomatal conductance of oak was approximately how many times higher than that of pine? How about in the year 2010?
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