Lecture 11 animal diversity posted

Lecture 11 animal - Invertebrates(cont Protostomia Lophotrochozoa Phylum Platyhelminthes-flatworms Phylum Rotifera-rotifers Phyla Bryozoa and

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BIO 311D LECTURE 11 Animal diversity
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Taxonomic heirarchy Domain Kingdom Phylum Class Order Family Genus species
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The definition of an animal The definition of an animal 1 2 3 4 5
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Development of an animal embryo
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Phylogeny of animals 5 main agreed-upon facts of the evolution of animals
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1. Monophyly of Metazoa
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2. Sponges lack true tissues
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3. Members of Eumetazoa have true tissues
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4. Most animals are in the clade Bilateria
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Germ layers
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Body cavities
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5. Chordates are in the clade Deuterostomia
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Diversity The Cambrian explosion
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Invertebrates Parazoa Phylum Porifera Sponges Radiata Phylum Cnidaria Sea anemone Jellyfish Phylum Ctenophora Comb jelly
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Unformatted text preview: Invertebrates (cont.) Protostomia: Lophotrochozoa Phylum Platyhelminthes -flatworms Phylum Rotifera -rotifers Phyla Bryozoa and Brachiopoda -shellfish Phylum Mollusca -clams Phylum Annelida – segmented worms Invertebrates (cont.) Protostomia: Ecdysozoa Phylum Nematoda -roundworms Phylum Arthropoda – trilobites, crustaceans, spiders, insects Invertebrates (cont.) Deuterostomia Phylum Echinodermata-Starfish Phylum Chordata-us Vertebrates - Phylum Chordata Characteristics Notochord Dorsal, hollow nerve cord Pharyngeal slits Muscular, postanal tail...
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This note was uploaded on 02/17/2010 for the course BIO 50735 taught by Professor Dr.chinnery-allgeier during the Fall '09 term at University of Texas at Austin.

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Lecture 11 animal - Invertebrates(cont Protostomia Lophotrochozoa Phylum Platyhelminthes-flatworms Phylum Rotifera-rotifers Phyla Bryozoa and

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