Marine cartilaginous fishes overcome water loss to their environments by
A) having specialized chloride cells in their gills that prevent water loss.
B) having specialized chloride cells in their gills that continuously excrete salts.
C) storing urea in their body fluids, which causes them to be hypertonic to sea water.
D) producing very small quantities of urine.
E) drinking large quantities of freshwater.
Correct Answer:
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