BioMid Ch33 Invertebrates

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issacgoboom
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286965
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BioMid Ch33 Invertebrates
Updated:
2014-10-24 15:58:17
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  1. phyla
    • Metazoa- porifera (sponges) no true tiss basal specie
    • Eumetazoa - Cnidaria(hydras, jellies, sea anemo, corals) (diplo radial, gvc)
    • Lohotochozoa-
    • 1)Platyhelm - unsegment acoelom, gvc or no tract
    • 2)Rotifera- pseudo, digestive sstem, jaws in pharynx , head with cilia
    • 3) lophophorates, ectoproctata, brachiopod - coelomates
    • 4) molusca (clams, snails, squids) - foot, visceral mass, mantlle, shell of calcium carb, reduced coelom
    • 5) anelida - segmented worms - coelomates- segmented internal organs, digestive tract is unsegmented
  2. Nematoda
    • part of bilateria
    • part of ecctycozoa
    • pseudocoelom
    • no circulatory system
  3. Athrpoda
    • crustaceans, insects, spiders
    • coelomate, segm body, exoskeleton
    • part of eccysozoa
  4. Deutrostomia
    • Ecinodermata- seas stars, urchins
    • Chordata (lancelets, tunicates, vertebrates)

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