Question

DISCUSSION: what is "embryo"
*please documentation for your statement.

Answer 1

When the male and the female gametes fuse, it leads to the formation of a structure called zygote. The zygote then starts dividing repeatedly to form the embryo. The embryo is multicellular. It then develops into the foetus(pronounced as feetus).
The following web page may help you to understand better:
en.wikipedia.org/wiki/embryo

Answer 2

But where would it fit in, in this model (se attached fil) (after Jens Bremer)