Question

The zygote divides to form groups of cells that develop into different tissues and organs of the body. This developing structure is termed as ___.

Answer 1

Blastocyst:

1. Soon after fertilization, zygote is formed which develops into blastocyst after a couple of divisions.
   
2. The blastocyst contains the inner cell mass which develops into different tissues and organs of the body forming the entire body structure.
   
3. This developing stage is called embryo where the body of the organism starts forming.
   
4. The stage of the embryo in which all the body parts can be identified is called a fetus.