are protochordata and vertebrata having bilateral symmetry?
Yes, protochordates and vertebrates are both bilaterally symmetrical as they divide into two halves when cut from central axis of body. They are triploblastic also.
Question 18 Which one of the following feature is not a characteristic of protochordata? (a) Presence of notochord (b) Bilateral symmetry and coelom (c) Jointed legs (d) Presence of circulatory system