Destruction of the embryonic ____________ will prevent formation of the nervous system.
A. ectoderm
B. mesoderm
C. endoderm
D. mesoglia
Answer: ectoderm
Destruction of the embryonic ____________ will prevent formation of the nervous system.
A. ectoderm
B. mesoderm
C. endoderm
D. mesoglia
Answer: ectoderm