Question

write the features of protochordata

Answer 1

Protochordata/Acraniata/Non vertebrate chordates is a sub group under chordata which involves chordates without cranium or brain box. Their basic features include: Presence of notochord. Central nervous system is dorsal,hollow and single.

Answer 2

Presence of notochord.

Central nervous system is dorsal,hollow and single.

Pharynx perforated by Gill slits.

Heart is ventral.

A post anal tail is present.

Gut is ventral to nerve chord.

Absence of cranium or brain box.