The graph below shows daily water potential in the xylem of a woody plant. Which of the following statements is best supported using the data? vater potential (MPa) Xylem 0.0 -0.2 - -0.4 -0.6- -0.8 -1.0- -1.2- -1.4- -1.6- -1.8 -2.0- 6 AM 8 L 10 L TIME I 12 L 2 1 PM 4 6 Water potential decreases, beginning around 6 am, because of increased mineral uptake. High water potential results in greater transpiration. Water potential at noon is a reflection of high rates of transpiration. Increasing pressure potential after noon results in decreasing water potential.
The graph below shows daily water potential in the xylem of a woody plant. Which of the following statements is best supported using the data? vater potential (MPa) Xylem 0.0 -0.2 - -0.4 -0.6- -0.8 -1.0- -1.2- -1.4- -1.6- -1.8 -2.0- 6 AM 8 L 10 L TIME I 12 L 2 1 PM 4 6 Water potential decreases, beginning around 6 am, because of increased mineral uptake. High water potential results in greater transpiration. Water potential at noon is a reflection of high rates of transpiration. Increasing pressure potential after noon results in decreasing water potential.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:The graph below shows daily water potential in the xylem of a woody plant. Which of the following statements is best supported using the data?
Xylem water potential (MPa)
O
Ο Ο Ο
0.0
-0.2 -
-0.4
-0.6
-0.8
-1.0-
-1.2-
-1.4-
-1.6
-1.8-
-2.0-
6
AM
8
1
10
L
TIME
1
12
1
2
L
PM
4
L
6
Water potential decreases, beginning around 6 am, because of increased mineral uptake.
High water potential results in greater transpiration.
Water potential at noon is a reflection of high rates of transpiration.
Increasing pressure potential after noon results in decreasing water potential.
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