Humans cannot survive at sea by drinking salt water.However,marine vertebrates such as sea turtles and various sea birds can survive by drinking salt water.What do they have that humans do not?
A) Kidneys that are extremely good at producing a concentrated urine
B) Body fluid concentrations that are similar to or greater than those of seawater
C) The ability to secrete salts and wastes into their intestinal contents like an insect
D) Use of ammonia as their primary nitrogenous waste
E) Specialized gill epithelia
Correct Answer:
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