A)First extraembryonic membrane to be formed in birds and reptiles that provides nutrition to the developing embryo is :
(1) Amnion (2) Chorion (3) Yolk Sac (4) Umbilical Cord.
Answers
Answered by
1
An extraembryonic membrane is one of the membranes which assist in the development of the embryo. Such membranes occur in a range of animals from humans to insects.
1.They originate from the embryo, but are not considered part of it. They typically perform roles in nutrition.
2.Yolk Sac. In birds, reptiles, and egg-laying mammals, the yolk sac is a structure that develops on the ventral side (or belly side) of the embryo, providing nutrition for the growing embryo inside the egg.
so , the correct answer for this question is 3
Similar questions