Scientists studying salmon or other fish species that move between freshwater and salt water investigate the adaptations these animals possess to make the osmoregulatory switch between environments. Which of these differences are investigators most likely to see in comparing individuals from the two environments?

+3 votes

 

  

The gills of saltwater individuals contain more filaments than do gills of freshwater individuals.

  

The freshwater individuals have more chloride cells in gills than the individuals from salt water.

  

The locations of sodium-potassium pumps in gills differ between freshwater and saltwater individuals.

  

The gill lamellae of freshwater individuals have a higher surface area than those of saltwater individuals.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

The locations of sodium-potassium pumps in gills differ between freshwater and saltwater individuals.

 

answered Dec 31, 2012 by Panda ~Expert~ (1,557 points)

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