Question

I also have a doubt in the topic germ layers i.e. the ectoderm, the mesoderm the endoderm. Are these germ layers present inside a cell or inside a tissue??

If they are present inside a cell then where are the cell organalles located??

If they are present inside a tissue then, I read that they are present inside embryo. Embryo is a cell I think so.

Answer 1

Germ layers are the layers of the cell that are formed in the early embryo.From these germs layers the differentiation of the embryo will start from which the organs and tissues of the body develop.

For eg :The mesoderm gives rise to connective tissue, muscle, bone, and the urogenital and circulatory systems etc.

Embryo is the earliest stage of development of an organism.