Unit 2-study guide.doc - Biology 1409 Study Guide 2 Shanks...

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Biology 1409 Study Guide 2 Shanks Chapter 20: Kingdom Animalia Characteristics of animals & Ancestors of animals invertebrates vs. vertebrates Diversity in the body plan of animals: Body Symmetry, Cephalization; Type of Gut, Segmentation, embryological development, reproduction & development Phylum Porifera : “pore bearing”, reproductive methods; filter feeders; collar cells; motility in adult vs. larva. Phylum Cnidaria: symmetry; tentacles with cnidocytes; gut type; mesoglea, medusa vs. polyp body plan; reproductive methods, & motility.
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Phylum Platyhelminthes: cephalization, gut type; symmetry; reproductive methods, scolex and proglottids of tapeworms. Phylum Nematoda: heartworms, pin worms, hookworms, elephantiasis; gut type; reproduction, symmetry. Phylum Mollusca: “ soft-bodied”, 3 part body plan - mantle, visceral mass & foot; gut type, reproductive method; & circulatory system. Classes: Gastropods, Bivalves, & Cephalopods – Phylum Annelida: reproductive method; closed circulatory system; scavengers & parasitic organisms.
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Phylum Arthropoda: “jointed appendages”; most successful animal phylum.
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  • Spring '16
  • Christina Snaples
  • Biology, Phylum, reproductive methods

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