Q. Phylum-Aschelminthes is different from phylum-Platyhelminthes in
A) Symmetry
B) Shape of the body
C) Number of germ layers in embryonic stage
D) None of the above
Explanation
Animals of both phylum-Aschelminthes and phylum-Platyhelminthes show bilateral symmetry and are triploblastic, however they greatly differ in their shape of the body. Platyhelminthes are dorsoventrally flattened, while animals of phylum-Aschelminthes are circular in a cross-section of their body
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.