The outer layer of cells that develops during the germinal period and later provides nutrition and support for the embryo is called the
A) ectoderm.
B) mesoderm.
C) blastocyst.
D) trophoblast.

Question

Quizplus · Accepted Answer

The outer layer of cells that develops during the germinal period is called the trophoblast. This layer later provides nutrition and support for the embryo. The ectoderm and mesoderm are two of the three germ layers that give rise to different tissues and organs in the developing embryo. The blastocyst is the structure formed by the inner cell mass and the trophoblast during the early stages of embryonic development.

The Outer Layer of Cells That Develops During the Germinal