The three germ layers namely ectoderm endoderm and mesoderm anr found in in ans
The three germ layers, namely ectoderm, mesoderm, and endoderm, are present in the gastrula stage of an embryo during early embryonic development.
Ectoderm: It forms the skin and nervous system.
Mesoderm: The mesoderm forms muscles, bones, and the circulatory system.
Endoderm: This layer forms the gut, lungs, and internal organs.