Question

Gastrulation is the process that directly forms the
A) Ectoderm B) Endoderm C) Mesoderm D) All of the above

Answer 1

Answer:

Option a)

This is the answer.

Answer 2

B) Endoderm

The primary germ layers (endoderm, mesoderm, and ectoderm) are formed and organized in their proper locations during gastrulation. Endoderm, the most internal germ layer, forms the lining of the gut and other internal organs.