Coelacanth

Question 1

Coelacanths are ____ to seawater

Answer 1

• isosmotic

Question 2

Coelacanths retain ___ and _____

Answer 2

• urea and TMAO

Question 3

Coelacanth plasma ion levels are ___ than in sea water

Answer 3

less

Question 4

What is the theoretical function of the rectal gland?

Answer 4

• NaCl secretion
• high NKA activity