Answer: Ectoderm mesoderm endoderm
These three germ layers are known as the ectoderm (outer layer) mesoderm (middle layer) and endoderm (inner layer). In diploblastic organisms such as Cnidaria and Ctenophora the gastrula has only ectoderm and endoderm. The two layers are also …
Triploblasty is a condition of the gastrula in which there are three primary germ layers: the ectoderm mesoderm and endoderm. A fourth “layer” consists of the germ cells that are set aside in the embryo at the blastula stage which are incorporated into the gonads during organogenesis. The germ layers form during gastrulation of the blastula.
Gastrulation – Wikipedia
Gastrulation – Wikipedia
Germ layer – Wikipedia
Germ layer – Wikipedia
Endoderm is the innermost of the three primary germ layers in the very early embryo.The ot…