What are the key features of chordates?
- Presence of notochord in some stage of life.
- Pharyngeal-paired gill slits at some stage of life.
- Post anal tail(It will have a tail after its anus) at some stage of life.
- It will have a dorsal nervechord throughtout life.
5.Ventral heart throughout life.
- Mainly a body with unit sex.