Q. The animals belonging to phylum-Annelida use the following in locomotion
A) Nephridia and nephridial pores
B) Longitudinal and circular muscles
C) Organs of bursa
D) Spicules and ostia
Explanation
Nephridia are part of the excretory and osmoregulatory system. Organs of bursa are copulatory organs present in male hookworms. Spicules are present in animals belonging to phylum-Porifera. Longitudinal and circular muscles are useful in locomotion in animals of the phylum-Annelida
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.