Watch this brief animation of the process of a zebrafish egg developing from a single cell into an embryo in 50 hours. Click on other links to watch animations of a zebrafish cell division, migration and differentiation.

This interesting site provides videos and photos of cells going through the process of cell division. Observe Zebrafish development and Sea urchin embryo cell division in video format.

The miracle of life is featured in this wonderful series of short videos and journal entries. A variety of topics are covered in this well written, authoritative piece.