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Unformatted text preview: Mammalia (hair) Monotremes (Platypus, still lays eggs) Marsupials Placentals Reptilia (scaly skin, many lay eggs) Chelonia (turtles) Lepidosauria (lizards and snakes) Archosauria (dinosaurs etc.) Crocodylia (crocs) Aves (birds Reptilia (scaly skin, many lay eggs) Ancestral colonial protist No true tissues True tissues Bilateral symmetry Radial symmetry Eumetazoans Bilaterians Protostomes Deuterostomes Sponges Cnidarians Echinoderms Chordates Flatworms Molluscs Annelids Arthropods Nematodes Figure 18.4...
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This note was uploaded on 10/07/2009 for the course BIO G 109 taught by Professor Winkler,d. during the Fall '06 term at Cornell University (Engineering School).
- Fall '06