<prompt> Morula is how many celled -481216  <response>: Ans. is d i.e., 16At about 16 cells stage the blastomeres tightly align by the process of compaction to form a compact ball of cells called morula mulberry.This process of compaction leads to segregation of cells into two groups :Inner cells inner cell mass Outer cells outer cell massMorula enters uterine cavity 4 days after feilization. 