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← Nature & AnimalsWhich consequence occurs when freshwater fish cannot excrete efficiently?
A)Hypertonic internal fluid causes cell lysis✓
B)Increased secretion of salts via gills
C)Minimised water absorption via osmosis
D)Production of concentrated, dilute urine
💡 Explanation
In freshwater fish, water influx occurs because the internal environment is hypertonic compared to the surroundings; therefore, impaired osmoregulation via insufficient excretion causes cell lysis due to excessive water accumulation rather than reduced water entry or altered salt balance.
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