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Marine and freshwater animals make adjustments that allow them to survive in hyperosmotic and hypoosmotic environments, respectively.

​Which of the following adjustments is NOT made by saltwater fish to adjust to the hyperosmotic environment?


The gain​ of water and salt ions from drinking salt water.


Excretion of salt ions from the gills.


Excretion of large amounts of water in dilute urine.


Osmotic water loss from the gills and other body parts.

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