Which one is the most striking or (common) character of the vertebrates?
(a) Presence of notochord
(b) Presence of triploblastic condition
(c) Presence of gill pouches
(d) Presence of coelom
Kingdom Animalia is divided into chordates and non-chordates on the basis of the presence or absence of notochord. The presence of the triploblastic condition, the presence of gill pouches and coelom are found in both vertebrates and invertebrates but Notochord is present only in invertebrates.
The correct answer is a) Presence of notochord