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← Nature & AnimalsWhich outcome reduces water reaching leaves when soil moisture decreases?
A)Embolisms forming within xylem conduits✓
B)Increased plant growth rate
C)Increased rate of translocation
D)Enhancement of root gravitropism
💡 Explanation
Xylem cavitation interrupts the cohesion-tension mechanism, because air bubbles form as water tension exceeds xylem vessel strength; therefore diminished water transport occurs, rather than maintaining normal water flow via osmosis under tension.
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