Question

question: in animals, the ____ sac helps keep the embryo from drying out. answer input: spelling counts but capitalization doesnt.

Explanation:

In animal embryology, the amnion (or amniotic sac) is a membrane that surrounds the embryo and contains amniotic fluid, which helps prevent the embryo from drying out, especially in amniotic vertebrates like reptiles, birds, and mammals.

Answer:

amnion (or amniotic)