Which Embryonic Germ Layer Forms Connective Tissues Such as Bone

Question

Which embryonic germ layer forms connective tissues such as bone and cartilage?
A) epiderm
B) trophoderm
C) ectoderm
D) mesooderm
E) endoderm

Accepted Answer

The mesoderm germ layer is responsible for the formation of connective tissues such as bone and cartilage. The ectoderm forms the skin and nervous system, the endoderm forms the digestive and respiratory systems, and the trophoderm is a layer that forms in some non-mammalian embryos.