The feature that is not a characteristic of protochordata?
(a) Presence of notochord
(b) Bilateral symmetry and coelom
(c) Jointed legs
(d) Presence of circulatory system
Answer- (c)
Arthropods consists of jointed legs. It includes most of the insects. Protochordata are invertebrates, marine animals. They are triploblastic with the bilaterally symmetric body and coelom. They have notochord at some stage of life.
The correct answer is- c) jointed legs.