Question

which of the following layer is formed last during gastrulation?
Ectoderm
Endoderm
Mesoderm
Trophoblast​

Answer 1

I think Endoderm is last layer formed during grastrulation....

Answer 2

Answer:

The layer which is formed last during gastrulation is Endoderm

Explanation:

Hence the correct answer is 2nd option among the given alternatives.

The gastrulation can be defined as the phase that comes early in case of embryonic development in case of most of the animals, during which single-layered blastula can be reorganized into multilayered structure that can be called as gastrula.