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← Nature & AnimalsWhich outcome negatively impacts fish when increased sediment load diminishes gill function?
A)Reduced oxygen uptake by hemoglobin✓
B)Enhanced diffusion across alveolar surfaces
C)Decreased carbon dioxide water solubility
D)Increased hydrostatic pressure equilibrium
💡 Explanation
Reduced oxygen uptake by hemoglobin results because increased sediment impairs the countercurrent exchange within the gills, therefore preventing efficient oxygen transfer rather than enhancing diffusion, which would occur with increased surface area or flow.
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