Characteristics of Chordata?

[Valetta]

I need to know all of the traits an animal needs to be considered a chordata.

 

[Strawberrygirl]

THE CHARACTERISTICS OF CHORDATA
1.Notochord present
2.Central nervous system is dorsal, hollow and single.
3.Pharynx perforated by gill slits.
4.Heart is ventral.
5.Apost-anal part (tail) is present

 

[Strawberrygirl]

THE CHARACTERISTICS OF CHORDATA
1.Notochord present
2.Central nervous system is dorsal, hollow and single.
3.Pharynx perforated by gill slits.
4.Heart is ventral.
5.Apost-anal part (tail) is present