Water a Salt physiology-Fresh water

Question 1

-problems

Answer 1

salt loss diffusion

water gain by osmosis

Question 2

solution 1

Answer 2

not as permeable

Question 3

gill

Answer 3

large surface area with high permeability to allow o2

also have active transport for cl- and na+

Question 4

Active Salt Transport

Answer 4

Needs a lot of Atp
HCO3- goes out and Cl- comes in
H+ goes out and Na+ comes in