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Large plates in the hookworm's mouth are used to cut the intestinal lining of the host. ... In children a hookworm infection can stunt growth and cause a ...
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Chapter 12 SMALLER ECDYSOZOANS 12-*
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Smaller Ecdysozoans Chapter 18 Phylum Tardigrada They share many characteristics with arthropods. But legs are unjointed. Non-chitinous cuticle that is molted.
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AN INTRODUCTION TO ANIMAL EVOLUTION ECDYSOZOA Bilateral animals are divided into two clades Protostomes Deuterostomes Protostomes are themselves divided into two ...
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Ecdysozoa Arthropoda Nematoda Onychophora Chaetognatha Kinorhyncha Priapulida Nematomorpha
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Instituto Superior de Profesorado N 7 Profesorado en Biolog a Sistem tica Animal Docente Prof. Fabi n Daix Grupo Ecdysozoos s/Berkeley Ecdisozoos s/Curtis ...
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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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Fig. 32-2-3 Zygote Cleavage Eight-cell stage Cleavage Blastula Cross section of blastula Blastocoel Gastrulation ... Cleavage (b) Coelom formation Coelom Key Ectoderm ...
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Title: Diapositiva 1 Author: favini Last modified by: melgrati Created Date: 5/5/2005 10:22:23 AM Document presentation format: Presentazione su schermo
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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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... (4,500 species) Ectoprocts A brachiopod Brachiopoda (335 species) Rotifera (1,800 species) A rotifer (LM) A ctenophore, or comb jelly Ctenophora ...
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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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infection via ingestion of eggs (finger/uncooked veggies) ... migrate to anal region at night/lay eggs (Scotch Tape Method) itching ...
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Title: Diapositiva 1 Author: favini Last modified by: melgrati Created Date: 5/5/2005 10:22:23 AM Document presentation format: Presentazione su schermo
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Any imaginary slice through the central axis divides the animal into mirror ... simple nervous system, with a main ventral nerve cord and a smaller dorsal nerve ...
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Az llatvil g soksz n s ge (32) Le rt fajok sz ma: 1,3 milli Becs lt fajsz m: 10-200milli Legkor bbi llati fossz li k: Ediacara fauna (600 milli ...
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... on trouve de l ADN dans le noyau mais aussi dans les mitochondries ADN ADN ADN ADN ADN ... Genetics 137:243 Carte du g nome mitochondrial du marsupial ...
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Evolution in the Fossil Record and Molecular Clocks
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Chapter 32 Introduction to Animal Evolution 26.16 Our changing view of biological diversity 26.1 Some major episodes in the history of life. Note that molecular ...
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Also known as:-Gordian Worms-Horsehair Worms Biodiversity Institute of Ontario Onychophora Tardigrada Arthropoda Nematoda Nematomorpha Kinorhyncha Priapulida ...
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chapter 33 invertebrates
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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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Terestrick ekosyst my, autekologie bezobratl ch ivo ich , na p kladu hmyzu (Insecta) Obecn charakteristika: unit rn semelparn (m n asto ...
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Evolution in the Fossil Record and Molecular Clocks
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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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The Cambrian Explosion and Beyond
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Close-up of feather-duster worm (Polychaeta: Sabellidae) 'radioles' ... Hymenoptera (bees wasps and ants), Neuroptera (lacewings, ant lions, dobson flies) and ...
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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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Protostome Animals
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A Deuterostomia eredete Protostomia ( ssz j ak) Deuterostomia ( jsz j ak) utols k z s s (utols k z s Bilateria s) a blastoporus sorsa az ...
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We can use split networks to summarize a large collection of trees. ... Constructed from all splits appearing in at least some fixed proportion of input trees ...
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Hurdia from the Burgess Shale. Hurdia. Amongst the most primitive and oldest known of true arthropods. ... Survived until Early Permian (about 280 million years ago) ...
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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: Phylogeny and Systematics Author: Nancy Wheat Last modified by: NANCY WHEAT Created Date: 2/11/2006 3:37:02 AM Document presentation format
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Chapter 32 Introduction to Animal Evolution
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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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... Cartilaginous fishes (class Chondrichthyes): Great white shark (top left), silky shark (top right), southern stingray (bottom left), blue spotted stingray ...
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... de representantes de vida livre no solo e raramente aqu ticos Haemonchus contortus Subclasse Diplogasteria Parasita de vertebrados ...
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Corona ciliated crown, beats like rotating wheel ... Protonephridial tubules with flame cells empty to bladder; then to cloaca. Osmoregulation ...
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Animals and Animal Diversity The Nitty-gritty! Note: There is no red on this powerpoint, all non-essentials were deleted from the notes. Just imagine that everything ...
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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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Radial symmetry with central digestive (gastrovascular) cavity. ... They are important as reef builders. Phoronids are marine worms. Brachiopods resemble clams. ...
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Introduction to Animals Web Quest for 10th grade Biology The Quest Task Process Internet Resources Step 2: Poster Step 3: Presentation Each group will give a short 6 ...
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Nematodes - the round worms. molting in nematodes... http://cal.nbc.upenn.edu/merial ... molts of the nematode Caenorhabditis. PNAS 98: 7360-5 ...
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Are very diverse in form and habitat. Most reproduce sexually. Have a characteristic pattern ... 1. Separation of annelids and arthropods into different clades ...
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... even though they don t have coeloms Nematoda Note that body cavity is not contained within mesoderm Note body cavity is contained within mesoderm A body ...
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Terestrick ekosyst my, autekologie bezobratl ch ivo ich , na p kladu hmyzu (Insecta s.lat.) (Jitka Vil mov , katedra zoologie, odd. entomologie, vilim@ ...
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(most obvious in: sea urchins, amphibians, ascidians) ... Amphibian development: Xenopus laevis. Animal hemisphere (pigmented in some species) ...
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... with a main ventral nerve cord and a smaller dorsal nerve cord. http://www.absoluteastronomy.com/topics/Nematode Circulatory System There is no circulatory system ...
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Phylogeny and Systematics Chapter 10 * * * * * * * * * * * * * * * * * * * * * * * * * * * * Taxonomy A theory of taxonomy allows us to rank taxonomic groups.
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Cleavage Pattern. Coelom Formation. Fate of Blastopore. Phylogeny of ... Molecular Data. Some agreement but also some differences. Two family trees result ...
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Phylogeny and Systematics Chapter 10 * * * * * * * * * * * * * * * * * * * * * * * * * * * * Taxonomy A theory of taxonomy allows us to rank taxonomic groups.
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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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A comparative overview of the Animal Kingdom * * * * * * * * * * * * * * * * * * * * * * * * * * * * * General Features of Animals Animals are the consumers of the ...
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Lecture 1: Nematodes as plant parasites ... Free-living, animal- and plant-parasitic Nematode abundance Nematode abundance Impoverished habitats (e.g., ...
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Rotifers are one example small, aquatic filter feeders. Males need not apply. ... Hirudinea Leeches. Related to Oligochaetes, they suck blood. Once used ...
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