Which of the following is not a feature of the earthworm?
Open circulatory system
Triploblastic
Segmented body
Extensive organ differentiation
Which of the following living organisms do not possess a circulatory system?
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