Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 35, Problem 11PIAT
Atmospheric CO2 has been increasing rapidly since the late 1800s, in large part due to human activities. Recall that CO2 enters leaves through stomata and can then be used for photosynthesis. On the other hand, transpiration occurs as a result of water evaporating through stomata. How have plants responded to elevated CO2 levels?
Which of these structural features can help to limit water loss In plants that occupy dry habitats?
a. abundant companion cells and sieve-tube elements
b. stomata that are located in pits on the undersides of their leaves, or narrow, needlelike leaves
c. extensive networks of xylem and phloem
d. stomata that are located on the top surface of leaves, or broad leaves
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Chapter 35 Solutions
Biological Science (7th Edition)
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