Is this the correct information or is it the opposite?
-Freshwater fish are hypotonic as they have a greater concentration of solutes inside the cell than outside. So water tends to move inside the cell and so the fish need to continually get rid of the excess solutes through the excretion of urine. Their urine contains mainly excess water and salts, so the kidneys actively reabsorb salts to prevent their loss.
-Saltwater fish are hypotonic as they have a greater concentration of solutes outside the cell than inside, so water tends to move out of the cell. To avoid water loss from their body, marine fish keep drinking salt water, absorbing the water and salts. The water is retained while the salts are actively excreted from the gills and kidneys.
thanks
-Freshwater fish are hypotonic as they have a greater concentration of solutes inside the cell than outside. So water tends to move inside the cell and so the fish need to continually get rid of the excess solutes through the excretion of urine. Their urine contains mainly excess water and salts, so the kidneys actively reabsorb salts to prevent their loss.
-Saltwater fish are hypotonic as they have a greater concentration of solutes outside the cell than inside, so water tends to move out of the cell. To avoid water loss from their body, marine fish keep drinking salt water, absorbing the water and salts. The water is retained while the salts are actively excreted from the gills and kidneys.
thanks
