What are the main stages of embryo development in chordates. At what stage does cell differentiation occur?

Sequence: blastula, gastrula, neurula, organogenesis. Cell differentiation occurs at the gastrula stage.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.