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← Nature & AnimalsWhich risk acutely increases for a plant’s vascular system following extensive root damage?
A)Increased cavitation within the xylem✓
B)Decreased sugar translocation to roots
C)Accelerated phloem loading near leaves
D)Elevated rates of cellular respiration
💡 Explanation
Root damage impairs water uptake, decreasing xylem water potential and enhancing air bubble formation; therefore, increased cavitation occurs because the cohesion-tension mechanism relies on negative pressure pulled from the leaves through continuous water columns, rather than other transport methods.
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