A freshwater fish was accidentally placed in salt water. After several minutes in this saline water, it died. What is the most logical explanation for its death?
A) Loss of water by osmosis in cells in vital organs resulting in cell death and eventually organ failure.
B) Salt diffused into all the fish's cells causing them to swell and, in some cases, lyse.
C) The kidneys were not able to keep up with the water removal necessary in this hyperosmotic environment creating an irrevocable loss of homeostasis.
D) The gills became encrusted with salt, resulting in inadequate gas exchange and a resulting asphyxiation.
E) Brain cells lysed as a result of increased osmotic pressure in this hyperosmotic environment; death by loss of autonomic function.
Correct Answer:
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