If the allantois were removed from an amniotic egg, which of the following would be the PRIMARY impact on the embryo?
a. The embryo would suffer from lack of water and aqueous cushioning.
b. The embryo would suffer from lack of nutrients.
c. The embryo would not be able to exchange gases.
d. The embryo would not be able to excrete wastes.
e. The embryo would develop normally.