Q. Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of
A) Annelida
B) Arthropoda
C) Mollusca
D) Echinodermata
Explanation
The member of phylum-Arthropoda show bilateral symmetry, three germ layers in body wall, external metamerism, jointed and paired appendages, haemocoel and open type of circulatory system with dorsal heart.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.