Vertebrates face many physiological challenges with relation to osmotic pressure
ID: 64822 • Letter: V
Question
Vertebrates face many physiological challenges with relation to osmotic pressure. What is a possible challenge freshwater fishes face as a result of their osmoregulatory mechanisms?
2 point
A. These fishes tend to accumulate high amount of salts internally due to the small amount of urine excreted.
B. These fish would be subject to shriveling due to the loss of water through their gills into the environment.
C. These fish would be subject to swelling by movement of water into the bodies.
D. Freshwater fish are osmoconformers yet still have to regulate the intake and excretion of ions.
Explanation / Answer
A. These fishes tend to accumulate high amount of salts internally due to the small amount of urine excreted.
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