Which inefficiency arises when fish gill lamellae oxygen-hemoglobin affinity decreases with water temperature?

💡 Explanation

When water temperature rises, oxygen-hemoglobin affinity decreases, impairing countercurrent exchange because hemoglobin binds less oxygen at the gills, limiting oxygen saturation in blood. Therefore reduced oxygen uptake results, rather than destabilization, excretion changes, or transmission increases which require different physiological demands.

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