Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features. Eduinfy.com

Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.

Chordates	Non-chordates
(i) Notochord is present in at least one stage of the life cycle.	(i) Notochord is absent.
(ii) Pharyngeal gill slits are present	(ii) Pharyngeal gill slits absent.
(iii) Post anal tail is present.	(iii) Post anal tail is absent.
(iv) Heart is ventrally located.	(iv) Heart (if present) is dorsally located.
(v) Cent ra l nervous system is dorsally located and is hollow.	(v) Central nervous system is ventrally located and is solid.