Question
Biology Question on Classification Of Animals
The chordate features shared by the non-chordates are
A
bilateral symmetry
B
triploblastic condition and bilateral symmetry
C
metamerism
D
All of the above
Answer
All of the above
Explanation
Solution
Bilateral symmetry is exhibited by annelids and arthropods. All chordates and higher non-chordates have distinct polar axis. Above cnidarians all are triploblastic. Annelids and Arthropoda exhibit metamerism.