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