The mesoderm
A) is located on the outside of the embryo.
B) is formed during cleavage.
C) is found in blastula-stage embryos.
D) gives rise to the lining of the gut.
E) lies between the endoderm and ectoderm.

Question

Quizplus · Accepted Answer

The mesoderm is located between the endoderm (innermost layer) and ectoderm (outermost layer) in a developing embryo. It is formed during gastrulation and gives rise to a variety of tissues, including muscle, bone, and blood vessels.

The Mesoderm