Which of the Following is Not Formed by the Ectoderm

Question

Which of the following is not formed by the ectoderm?
A) dermis of the skin
B) epidermis of the skin
C) brain
D) spinal cord

Accepted Answer

The dermis of the skin is formed from the mesoderm, while the epidermis, brain, and spinal cord are derived from the ectoderm.