Difference between Morula and Blastula:
| Morula | Blastula |
| 1. Morula is formed from zygote division | 1. Blastula is formed from morula by its division |
| 2. Morula looks like a solid ball like cell mass | 2. It's a hollow ball of one layered cell |
| 3. No cavity is formed in the morula | 3. The fluid filled cavity is called blastocoel |
| 4. It is formed of similar cell | 4. It is formed of outer nutritive layer, trophoblast and an inner cell mass. |