Question

Is there different type of proto chordata??

Answer 1

Answer:-

• The organisms belonging to the Protochordata are generally known as the lower chordates.
• However, they do form a major division of Chordata.
• They are also known as Acraniata because they lack a true skull.
• They are divided into three sub-phyla- Hemichordata, Urochordata, Cephalochordata