Question

which is the embriyonic germ layer​

Answer 1

A germ layer is a primary layer of cells that forms during embryonic development. ... Some animals, like cnidarians, produce two germ layers (the ectoderm and endoderm) making them diploblastic. Other animals such as chordates produce a third layer (the mesoderm) between these two layers, making them triploblastic...

HOPE IT HELPS YOU..

Answer 2

Explanation:

ecs are drived from inner cell mass of a blastocyst and can proliferate differentiate and secert ecm when placed into three dimensional Biometerila structure such as PEG and PLAGA