Chordates: Characters and Classifications | Animal Kingdom

In this article we will discuss about the Characters and Classification of Chordates. Characters of Chordates: All the chordates possess four diagnostic characters either in the embryonic or adult stage. 1. Notochord: It is a solid un-jointed, stiff but flexible rod-like structure situ­ated on the dorsal side between the dorsal hollow nerve cord and the alimentary canal. 2. Dorsal Hollow [...]