9 Cards in this Set
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Phylum Porifera
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Basal animals that lack true tissues Choanocytes (collar cells, flagellated cells that ingest bacteria and tiny food particles) Calcarea, Silicea (Sponges)
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Phylum Cnidaria
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(Hydras, jellies, sea anemones, corals) Radial symmetry, diploblastic tissue organization
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Lophotrochozoans
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A clade identified by molecular data, have the wildest range of animal body forms phylum platyhelminthes, rotifera, lophophorates, mollusca, annelida
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Phylum Platyheliminthes
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(Flatworms) Bilateral symmetry Triploblastic tissue
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Phylum Rotifers
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Wheel animals- rotifers organs systems present, including alimentary canal, asexual
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Phlyum Lophophorate
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Phronida, Ectoprocta, Brachiopoda Coelomates w/ lophophores (feeding structures bearing ciliated tentacles)
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Phylum Mollusca
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(Clams, snails, squids) Coelomates w/ 3 main body parts (muscular foot, viscral mass, mantle) coelom reudced hard shell made of calcium carbonate
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Body plans of mollusca
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class polyplacophora (chitons) class gastropoda (snails, slugs & cowries) class bivalvia (scallops, clams and oysters) class cephalopoda (squid, nautilus, octopus)
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Phylum Annelida
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(segmented worms) Coelomates w/ segmented body wall and internal organs, except digestive tract
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Study Guide