Evidence indicates that plants increase the number of stomata in their leaves as atmospheric CO2 levels decline. Increasing the number of stomata per unit surface area should have the effect of doing which of the following? 1. increasing dehydration of leaf tissues 2. decreasing dehydration of leaf tissues 3. countering the effect of declining CO2 on photosynthesis 4. reinforcing the effect of declining CO2 on photosynthesis
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When atmospheric CO2 levels decline, plants increase the number of stomata to take in more CO2 for photosynthesis. Show more…
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Question 2 (1 point) All of the following are primary roles of plant epidermal cells EXCEPT: changing the shape of cells in response to osmosis capturing CO2 and doing photosynthesis regulating the movement of substances in and out of the leaf secreting a waxy cuticle Question 3 (1 point) Assuming the stomata are open to the same degree, the rate of transpiration should ____ on a humid day compared with a dry day because the H2O vapor concentration difference from the inside to the outside of the leaf would be ____ on the humid day. increase; smaller decrease; larger increase; larger decrease; smaller
Sri K.
thoughtful 10-ii-2025
Babar A.
Water is transpired through stomata, but carbon dioxide also must pass through stomata into a leaf for photosynthesis to occur. There is evidence that the level of carbon dioxide in the atmosphere has not always been the same over the history of life on Earth. Explain how the presence of a higher or lower concentration of atmospheric carbon dioxide would impact the evolution of stomata density in plants.
Kerissa B.
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