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← Nature & AnimalsWhich outcome occurs when a freshwater fish's kidneys fail to properly execute osmoregulation?
A)Excessive water absorption and cell lysis✓
B)Rapid sodium secretion and hyponatremia
C)Decreased oxygen uptake and hypoxia
D)Ammonia accumulation and metabolic acidosis
💡 Explanation
When freshwater fish kidneys fail osmoregulation, water diffuses in from the lower salt environment causing cells to swell and eventually lyse due to lack of ion regulation. Therefore excessive water absorption occurs, rather other options relying on different mechanisms such as ion deficiencies, oxygen transport issues, or metabolic waste accumulation.
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