Refer to the Figure

Multiple Choice

Refer to the figure. The embryo of an amniote egg is held within a fluid-filled sac called the amnion.How does the amnion retain advantages of a fish or amphibian egg floating in a pond?

A) It facilitates gas exchange.
B) It supports the embryo in fluid.
C) It stores waste.
D) It forms the placenta.
E) It provides nutrition to the developing embryo.