LIFE SCIENCE

Detailed explanation-1: -The mesoderm is the middle layer of the three germ layers that develops during gastrulation in the very early development of the embryo of most animals. The outer layer is the ectoderm, and the inner layer is the endoderm. Tissues derived from mesoderm.

Detailed explanation-2: -mesoderm, the middle of the three germ layers, or masses of cells (lying between the ectoderm and endoderm), which appears early in the development of an animal embryo.

Detailed explanation-3: -The mesoderm gives rise to the muscle cells and connective tissue in the body.

Detailed explanation-4: -The three layers that form here are the endoderm, ectoderm, and mesoderm. The mesoderm is the middle layer of the three. It forms during gastrulation where a small tuck will form in the blastula.