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Polyzoa and Kryptozoa Chapter 15 * * * * * * * * Lophophores Phylogenetic evidence indicates that lophophores evolved more than once. Lophophores have a crown of ...
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Terebratella Internal Anatomy. coelomic channel. and gonad. brachium. abductor muscles. mantle cavity. lophophore. lophophore tentacles ...
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Lophophorates: Brachiopods Hinge is pin-in-socket type Separate adductors and diductors Valves tend to stay articulated post mortem Brachidia lophophore supports ...
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Phylum Bryozoa: [Fig. 10.1] Note: lophophore (u-shaped feeding structure) on a zooid (A) A ... Bryozoa: [Fig. 10.2] Lophophore (A), avicularia (B). Excellent ...
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(1) Bottom-dwelling filter feeder with lophophore arms (2) ... (Cephalochordate) (Urochordate) (Enteropneusts) Possible evolutionary tree of early vertebrates ...
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Attach to substratum by secretions from an adhesive sac, then metamorphose to adult form. New colonies begin from this single metamorphosed primary zooid, ...
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The Lophophorates Classification Phoronida--unitary organism, tube dwelling with lophorate at upper end of body, only marine Bryozoa-modular, zooids, polypide, marine ...
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The Lophophorates Phylum Brachiopoda Phylum Bryozoa * The Lophophorates The Lophophorates * Lophophorates All are sessile or sedentary adults that feed by means of ...
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a typical articulate brachiopod. They have 2 VALVES (shells) that totally enclose the soft ... The crenulated commissure also provides a greater surface area. ...
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Now Three Domains and 6 Kingdoms. Conventional Classification of ... Hydra. sea pens. soft corals. 2 tissue layers: ectoderm, endoderm. sea anemones. jellyfish ...
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CHAPTER 19 LOPHOPHORATES PHORONIDA, BRACHIOPODS, BRYOZOANS Phylum Phoronida Marine organisms that live in sediments Phoronida characters Filter feeding Do not move ...
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Keystone Species Echinodermata Echinoidea (Sea urchins, Sand dollars) Approximately 1000 species Includes heart urchins, sea biscuits Round, rigid test with movable ...
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Chapter 33 Lower Invertebrates Animals 1 million species of animals 95% are invertebrates! 34-36 phyla of the Animal Kingdom 1. Phyla Calcarea & Silicea ...
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Round, rigid test with movable spines and pedicellariae. Spines and tube feet used for locomotion ... Tube feet in shallow ambulacral grooves along outside of ...
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EVOLUTION OF ANIMALS CHARACTERISTICS OF ANIMALS Multicellular Eukaryotic Heterotrophic (ingestion) No cell walls Nervous & muscle tissue Sexual reproduction Hox genes ...
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Three major protostomous eucoelomate phyla Nine minor phyla to consider Problematic Phyla Mixture of characters Where to put them Did segmentation evolve once or many ...
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Phylum Rotifera Rotifers have a ciliated crown, the corona, that is characteristic of the phylum. Phylum Rotifera Rotifers come in a wide range of colors and shapes.
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Title: Slide 1 Author: Nancy Black Last modified by: Nancy Created Date: 10/13/2006 3:16:57 PM Document presentation format: On-screen Show Other titles
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Pseudocoelomates Aschelminths Achelminth Phyla Gastrotricha Rotifera Kinorhyncha Nematoda Nematomorpha Acanthocephala Loricifera Priapulida Entoprocta ...
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Chapter 33 Invertebrates
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chapter 33 invertebrates
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2 tissue layers: ectoderm, endoderm. sea anemones. jellyfish 'Worms' - 3 tissue layers. ectoderm, mesoderm, endoderm. Phylum Brachiopoda ('arm foot' ...
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BIOLOGY 1407 CHAPTER 32 and 33 INVERTEBRATES EMBRYOLOGY Colonial Choanoflagellate Ediacaran Fossils Neoproterozoic Era 1 Billion to 542 MYA Molecular Evidence Suggest ...
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Title: Les Cnidaires & Ct naires Author: Emmanuel Bernier Last modified by: Emmanuel Bernier Created Date: 7/9/2001 6:12:34 AM Document presentation format
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An introduction to animal diversity BY Carlos Paez
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Filo Moluscos N mero de especies Caracteres Generales del Filo Moluscos Caracteres Generales del Filo Moluscos Clasificaci n del Filo Moluscos Clase Caudofoveados.
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They are still living today and are sometimes referred to as lamp shells' as ... components of the marine benthos (bottom dwellers) during the Palaeozoic. ...
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About 2000 species have been described. 9.1 Phylum Rotifera The beating of the cilia in the corona draws in plankton-containing water for food.
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Radial symmetry with central digestive (gastrovascular) cavity. ... They are important as reef builders. Phoronids are marine worms. Brachiopods resemble clams. ...
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Title: 31.1 Animals are multicellular heterotrophs without cell walls. Some General Features of Animals Animals are multicellular heterotrophs that are diverse in ...
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Title: Support, Protection, and Movement Author: Nancy Wheat Last modified by: AKOBIA Created Date: 11/4/2006 10:09:40 PM Document presentation format
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The Worms Phylum Platyhelminthes Phylum Nemertea Phylum Nematoda Phylum Annelida Bilateral Symmetry One way to cut and get 2 identical halves Front (anterior) and ...
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Protostomia: Lophotrochozoa
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Reproductive system is not well understood: Only female reproductive organs have been identified. ... Pigs become infected by eating grubs.
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Animal Diversity A whirl-wind tour through the most prominent phyla! Animal Phylogeny Modern Based on sequences in ribosomal RNA (molecular systematics ...
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Principles of Development Chapter 8
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Several small phyla of protostome coelomates include examples from superphyla ... the tube-dwelling vestimentiferan worms found at hydrothermal vent systems. ...
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Figure 32.0 Coral Reef. Figure 32.1 Early embryonic development (Layer 1) ... Figure 32.3 One hypothesis for the origin of animals from a flagellated protist ...
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The Cambrian Explosion and Beyond
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ANIMALIA Domain Eukarya, Kingdom Animalia Linnaeus classification: 2 Kingdoms (mid-1700s) Whittaker classification: 5 Kingdoms (1959) http://coralreefwatch.noaa.gov/ ...
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Cambrian fauna: trilobites, inarticulate brachiopods, primitive molluscs & echinoderms ... Among arthropods, the shell-crushing crabs are the big news ...
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According to Gilliland 1992, the first fossil holothurian ossicles were described by Mnster in 1843'
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Fig. 26-3 Species: Panthera pardus Genus: Panthera Family: Felidae Order: Carnivora Class: Mammalia Phylum: Chordata Kingdom: Animalia Archaea Domain: Eukarya
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Protostome Animals
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Nematode Movement. Contract longitudinal muscles. High internal pressure ... one species of nematode is known only from felt coasters placed under beer mugs ...
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Platyhelminthes Flatworms - Dorsoventrally flattened Simplest bilaterally symmetrical organisms First organs and organ systems** Central nervous system
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The first bilaterally symmetrical coelomates Figure 33-15 Lima scabra Scallops live on the surface of the substrate and suspension feed.
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Hydras - Jellyfish - Anemones - Corals. II. Animal Diversity. B. Radiata ... Hydra and jellies alternate between polyp and medusa stages; coral and anemones ...
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To introduce you to several characteristics found in animals and the range of ... Pisces (fishes) Amphibia frogs newts etc (smooth skin) Reptiles lizards ...
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Parasites of nearly all animals and plants. Facts, cont. ... Feed on rotifers, tardigrades, annelids, other nematodes ... Tube-within-a-tube digestive system ...
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Phylum mollusca 'mollusks' Over 150,000 spp; mostly marine ... Mollusk anatomy. Important consumers: Filter feeders. Grazers. Carnivores. 3 Main body parts: ...
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Cells that are much more complex than normal animal cells. Characterized by the way they move ... often comprised of interwoven cells. Protozoans. 10/31/09. 48 ...
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Smaller Protostome Phyla Chapter 21 Small Coelomate Phyla Several small phyla of protostome coelomates include examples from superphyla Lophotrochozoa and Ecdysozoa ...
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Archaea (including thermophiles of deep sea hydrothermal springs) ... ( A) Longitudinally fluted cup of an archaeocyathan, about 6 centimeters in height. ...
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Shells usually of apatite (CaPO4), not hinged, no brachidium. Class Articulata ... Hinged shell of calcite, opened by diductor muscles, closed by adductor muscles ...
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