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← Nature & AnimalsWhich osmotic consequence results when mangrove roots encounter saltwater?
A)Increased root pressure enhances water uptake
B)Reverse osmosis actively removes salt
C)Guttation forces excess water removal
D)Water potential decreases, limiting uptake✓
💡 Explanation
When salt concentration increases outside the root, the water potential gradient decreases; thus water flows out of the root cells due to osmosis. This restricts water transport, because reduced water and turgor pressure prevent proper transport rather than enhancing it.
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