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← Nature & AnimalsWhich challenge arises for a drought-stressed tree because xylem conduits embolize?
A)Reduced photosynthetic carbon source transport
B)Impaired leaf structural support
C)Diminished water ascent due to cavitation✓
D)Lowered nutrient absorption from soil
💡 Explanation
Embolism of xylem vessels disrupt continuous water columns, because air bubbles block water transport; the cohesion-tension mechanism fails, therefore water ascent diminishes to the leaves, rather than the other disruptions.
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