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← Nature & AnimalsWhich consequence results when a xylem embolism forms in an oak tree during a drought?
A)Increased photosynthetic rate throughout
B)Total root system cellular respiration
C)Localized leaf wilting due to water✓
D)Plant-wide increased nutrient absorption efficiency
💡 Explanation
Localized leaf wilting occurs because xylem embolism restricts water transport via cohesion-tension, therefore limiting supply regionally rather than globally. Blockage prevents water from getting to the leaves on that branch because transpiration stream disruption is a local effect rather than systemic.
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