Question

Differentiate between blastula and gastrula

Answer 1

Blastula	Gastrula
An early embryonic stage formed by a cleavage in fertilized ovum.	The stage after blastula.
A single spherical layer of cells are present.	Three layers of cells are present – ectoderm, mesoderm and endoderm.
The process of formation is called blastulation.	The process of formation is called gastrulation.
Mitotic division is rapid.	Mitotic division is comparatively slow.