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← Nature & AnimalsWhich risk increases for a drought-stressed plant when root endodermis Casparian strips become damaged?
A)Increased pathogen xylem vessel invasion✓
B)Reduced absorption of potassium ions
C)Decreased photosynthetic cellular respiration
D)Accelerated phloem loading and transport
💡 Explanation
Damage to endodermis disrupts the Casparian strip, circumventing regulated ion uptake; therefore uncontrolled apoplastic flow increases pathogen access because of absent filtration, rather than restricted nutrient uptake under osmotic turgor regulation.
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