Q. Canal system is present in phylum
A) Annelida
B) Porifera
C) Acanthocephala
D) Echinodermata
Explanation
Canal system is found in sponges, which belongs to phylum-Porifera.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.