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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.

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During those high-carbon-dioxide times, plants that produce fewer stomata,

when carbon dioxide levels are low, plants need many stomata in order to scrape enough carbon dioxide to survive.

How does carbon dioxide affect water uptake?

Plant water use, an increase in atmospheric CO2 means that stomata, or the pores on leaves that exchange gases between the leaf and the atmosphere, do not need to open.

Thus,  carbon dioxide levels are low, need many stomata in order to scrape enough carbon dioxide to survive.

To learn more about carbon dioxide click here:

https://brainly.com/question/3049557

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