(D) Protochordates (which include Urochordata and Cephalochordata) are primitive chordates. They lack a distinct head (craniates),jaws (gnathostomes),

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(D) Protochordates (which include Urochordata and Cephalochordata) are primitive chordates. They lack a distinct head (craniates),jaws (gnathostomes),and a vertebral column (vertebrates). They also lack paired appendages. Therefore,all the mentioned structures are absent in protochordates.