To Replace Water Lost Osmotically,marine Fish

Multiple Choice

To replace water lost osmotically,marine fish

A) pump water inward across the gill surface by means of special absorptive cells.
B) drink seawater and then pump extra salt outward across the gill surface by means of salt secretory cells,and excrete the remaining ions in the feces.
C) increase glomerular filtration by the kidney.
D) drink much more seawater and accumulate unwanted salts in crystalline form.
E) produce water metabolically by the oxidation of food stuffs.