BILD Vetebrate

BILD Vetebrate - BILD 3 April 23, 2008 LIVING VERTEBRATE...

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BILD 3 April 23, 2008 Woodruff: vertebrates 1 1 LIVING VERTEBRATE CLASSES AGNATHA: JAWLESS, CARTILAGINOUS, NOTOCHORD lampreys, hagfish JAWS, VERTEBRAE REPLACE NOTOCHORD, GILLS OSTEICHTHYES: BONY FISH, RAY FINS AMPHIBIA: AQUATIC LARVAL STAGE, METAMORPHOSIS, TETRAPODS REPTILIA: TERRESTRIAL TETRAPODS WITH SHELLED AMNIOTIC EGG, SCALES, SOME MARINE AND FW. AVES: FEATHERS, WINGS, ENDOTHERMIC MAMMALIA: TETRAPODS, HAIR, MAMMARY GLANDS, DIAPHRAGM, ENDOTHERMIC 2 FIG. 34.2 CHORDATE PHYLOGENY 3 CHORDATES NOTOCHORD – DORSAL ROD HOLLOW DORSAL NERVE CORD GILL SLITS TAIL UROCHORDATES: TUNICATES BRAIN CEPHALOCHORDATA: LANCETS HEAD ( CRANIATES ) HAGFISH VERTEBRAL COLUMN ( VERTEBRATES ) LAMPREYS JAWS, MINERALIZED SKELETON ( GNATHOSTOMES ) CHONDRICHTHYS LUNGS OR LUNG DERIVATIVES: RAY-FINNED FISH 4 CHORDATES (CONTINUED) LUNGS OR LUNG DERIVATIVES RAY-FINNED FISH ( OSTEICHTHYES ) LOBED FINS COELACANTH LUNGFISH LEGS ( TETRAPODS ) AMPHIBIANS AMNIOTIC EGG ( AMNIOTES ) REPTILES
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BILD Vetebrate - BILD 3 April 23, 2008 LIVING VERTEBRATE...

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