Q. Animals are classified on the basis of which of the following features? I. Coelomic cavity II. Level of organisation III. Notochord IV. Skeletal structure
A) I and II
B) I and III
C) I, II and III
D) II and IV
Explanation
Animals are classified based on coelomic cavity, level of organisation and presence or absence of notochord
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.