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Vertebrates. Seven Phylum. Jawless Fish Cartilaginous Fish Bony Fish Amphibians Reptiles Birds Mammals. Jawless Fish. Round mouth; tubelike body; scaleless skin; cartilage skeleton. Movable jaw, scales, cartilage skeleton, gill slits. Cartilaginous Fish. Bony Fish.
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Seven Phylum • Jawless Fish • Cartilaginous Fish • Bony Fish • Amphibians • Reptiles • Birds • Mammals
Jawless Fish Round mouth; tubelike body; scaleless skin; cartilage skeleton
Movable jaw, scales, cartilage skeleton, gill slits Cartilaginous Fish
Bony Fish • Movable jaw, scales, boney skeleton, covered gills
Smooth, moist skin; no scales; most have lungs and a 3 chambered heart; live in water and on land Amphibians
Reptiles • Dry, tick skin; scales; lungs; lay shelled eggs on land; 3 or 4 chambered
Birds • Dry, tick skin; scales; lungs; lay shelled eggs on land; 3 or 4 chambered
Mammals • Hair; mammary glands; specialized teeth; most produce live offspring
Animal Characteristics • Eat other organisms • Many-celled organisms • Eukaryotic cells • Move about • Digest their food
Phylum Chordates • Notochord • Hollow nerve cord • Gill slits • Bilateral Symmetry
Vertebrates • Endoskeleton • Cartilage