Which statement about extraembryonic membranes of developing chicks is true?
A) The allantoic membrane forms from endoderm and mesoderm, and it stores metabolic wastes.
B) The chorion and amnion form from endoderm and mesoderm.
C) The chorion secretes a protective fluid into the amniotic cavity.
D) The extraembryonic membrane closest to the eggshell is the amnion.
E) The chorion enhances water loss from the egg, keeping the embryo safe.

Question

Quizplus · Accepted Answer

The allantoic membrane in developing chicks indeed forms from both endoderm and mesoderm layers and serves as a storage site for metabolic wastes. This is a crucial function as it helps in managing the waste products produced by the embryo during development.

Which Statement About Extraembryonic Membranes of Developing Chicks Is True