Match Each Term with Its Definition or Description

Multiple Choice

Match each term with its definition or description.
-Primary germ layer that forms the brain and spinal cord

A) Zygote
B) Morula
C) Blastocyst
D) Placenta
E) Fetus
F) Embryo
G) Ectoderm
H) Mesoderm
I) Endoderm
J) Histogenesis
K) Amniotic cavity
L) Implantation
M) Organogenesis
N) Fertilization
O) Yolk sac