Features of Chordates | Zoology
The following points highlight the top nine diagnostic features of chordates. 1. Notochord is present in any stage of the life-history. It is a slender rod that arises out of the dorsal wall of the embryonic gut in primitive chordates. Notochord lies dorsal to the coelom and parallel beneath the central nervous system. The notochord is composed of a core [...]