Q. The first phylum to have a complete alimentary canal is
A) Platyhelminthes
B) Ascaris
C) Aschelminthes
D) Annelida
Explanation
Phylum-Platyhelminthes have an incomplete alimentary canal, but the alimentary canal is complete in phylum-Aschelminthes with a mouth and anus. This is the first phylum with a complete alimentary canal
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.