Depending on what animal because animals are very different from one another, but that would mean you are considering humans not animals.
zygote, morula,blastula, gastrula,embryo, adult :)
In the fallopian tube for about 5-6 days and then in the uterus.
cell to blob to bubble to tube to grooved tube to segmented grooved tube to little person.
Cleavage provides a large number of building blocks with which to fashion the forming body.