1. Chordate Characteristics Characteristics of Chordates A chordate is an animal that in some stage of development has: 1. Notochord- dorsal rod of specialized.
Fishes. Classification of Fishes Three classes of vertebrates: Agnatha; Chondrichthyes; and Osteichthyes Fishes are the most numerous of all vertebrates.
Chordates and Fish. Characteristics of Chordates A chordate is an animal that in some stage of development has: 1. Notochord- dorsal rod of specialized.
