Question

The fundamental feature/s that forms basis for animal classification is/are:

• A. Structural organization
• B. Body symmetry
• C. Presence or absence of notochord
• D. All of the above

Answer 1

The correct option is D All of the above

• The animal kingdom is classified on the basis of levels of organisation, body symmetry, germinal layers, nature of coelom, segmentation and presence of notochord.

Hence the correct option is D.