1
Q:
A) Ectoderm | B) Endoderm |
C) Mesoderm | D) All of the above |
Answer: D) All of the above
Explanation:
Explanation:
Gastrulation rearranges the cells of the blastula and ultimately forms the three germ layers of the embryo. The primary layers that will form all of the major body and organ systems of the organism, these germ layers include the ectoderm, mesoderm, and endoderm.