Primary germ layers are

Name the 3 primary germ layers formed in gastrula.

During which stage in embryonic development , primary germ layers appear for the first time ?

Formation of primary germ layers in an embryo.

Three primary germ layers of gastrula are ectoderm............... and..............

Write the role of primary germ layers in foetal development.

Complete the missing links: Three primary germ layers of gastrual are ectoderm, _________ and _________.

Neurulation and organogenesis || fate OF primary germ layers || placenta and its types || human placenta

Name the three primary germ layers of embryo. Also mention any three organs or organ systems developing from each layer.

How many germ layers are found in sponges.