Extraembryonic membranes develop in
A) mammals, but not birds or lizards.
B) birds, but not mammals or lizards.
C) lizards, but not mammals or birds.
D) mammals and birds, but not lizards.
E) mammals, birds, and lizards.

Question

Quizplus · Accepted Answer

Extraembryonic membranes are present in mammals, birds, and reptiles (including lizards). These membranes include the amnion, chorion, yolk sac, and allantois and are important for protecting and nourishing the developing embryo during gestation.

Extraembryonic Membranes Develop in