34. Vascular Plant Transport
Water Potential
Multiple Choice
Multiple ChoiceWhat is the ultimate source of energy that moves water upward in the trunk of a tree?
A
Contraction of xylem cells
B
Pressure exerted by root cells
C
Breakdown and release of energy of sugar molecules
D
Osmotic changes caused by alterations in salt content
E
Evaporation of water by the sun
153
11:32m
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