Where are the specialized glands located that allow the yellow-bellied sea snake to actively excrete excess salt?
Answer
Located near its mouth
Survival in a hypertonic saltwater environment requires sophisticated osmoregulation to prevent dehydration and maintain internal balance. The yellow-bellied sea snake evolved specific physiological structures—specialized glands—situated in close proximity to the mouth region. These glands actively function to excrete the large quantities of salt that are inevitably ingested through consuming prey and continuous contact with seawater. This physiological excretion mechanism is crucial for the reptile to maintain the necessary osmotic potential for its cellular functions, representing a key divergence from terrestrial reptiles.

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