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Pseudocoelomates Aschelminths Achelminth Phyla Gastrotricha Rotifera Kinorhyncha Nematoda Nematomorpha Acanthocephala Loricifera Priapulida Entoprocta ...
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Biology 320 Invertebrate Zoology Fall 2005 Chapter 22 Phylum Gastrotricha and Phylum Nematoda Phylum Gastrotricha 500 species Found in all three habitat types ...
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Adapted from Lesser Known Protostome Phyla. SICB 2001. J.R. Garey. Porifera Cnidaria Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora
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Organismos pseudocelomados Cap tulo 15 Dr. Robert J. Mayer Caracter sticas del f lum Gastrotricha Abdomen velludo Peque os y aplastados (500 m) Se deslizan ...
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The higher probability the higher diversity. Factors ... Gastrotricha, etc. With time better and better biodiv. evaluation. Best known indicatory ...
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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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Are a group composed of several phyla which share similar characters but are ... protonephrida are absent but a tube is present w/midventral pore. for exiting waste. ...
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The body consists of an anterior scolex solely for attachment to the host's gut and a string of proglottids, each of which possesses both male and female organs aka ...
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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: TMO Last modified by: TMO Created Date: 5/31/2005 5:03:06 PM Document presentation format: On-screen Show Company: TMO Other titles
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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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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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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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Aquatic, benthic (living at bottom), mostly free-living in fresh water, but some ... Adults are free-living in freshwater. juveniles are parasitic in ...
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... separate and distinct sexes A body cavity lined with a mesoderm Middle ... Importance to man: A 10 cm sponge ... Diffusion:(CO2) ...
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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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Phylum Rotifera ~2000 species Corona of ciliated cells Pseudoceolomic Central nervous system Complete gut Many species are female only Parthenogenetic Phylum ...
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... (Dracunculus medinensis): transmitted by infected copepods in drinking water larvae move into the body cavity female adult migrates to the subcutaneous ...
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Depth and stability of oxic-anoxic interface can affect structure of beach infauna ... detect gravity and help animals to orient correctly within sediments ...
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By definition, in true coelom- mesentery. tissue connects organs to body cavity wall ... Also, by definition coelom is fluid-filled body. cavity, found in ...
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PHYLUM RHYNCHOCOELA Disebut Nemertea atau Nemertina. Habitat : Umumnya terdapat di pantai, di bawah batu dan rumput laut; beberapa hidup di air tawar atau di tanah ...
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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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migrate to anal region at night/lay eggs (Scotch Tape Method) itching ... eggs develop/become infective w/i 6 hrs at body temp. ...
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Phylogeny and Systematics Chapter 10 * * * * * * * * * * * * * * * * * * * * * * * * * * * * Taxonomy A theory of taxonomy allows us to rank taxonomic groups.
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How do the acoelomates fit in? Nemertea Platyhelminthes acoelomate Complete digestive system acoelomate Closed circ. system Ladder-like nervous system
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Evolution in the Fossil Record and Molecular Clocks
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Evolution in the Fossil Record and Molecular Clocks
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Aula submetida Banca do Concurso P blico para provimento de uma vaga como Professor Adjunto do Magist rio Superior do Departamento de Ci ncias Biol gicas da ...
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Lion = top predator. Rat = omnivore. Cat = low trophic level predator. Ant = omnivore ... Predators eat their prey, such as lions, mantids, sharks etc. ...
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Gut, when present, is a blind diverticulum ... hosts (often a mollusk) that serve as maturation sites for a variety of larval stages ...
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Phylogeny and Systematics Chapter 10 * * * * * * * * * * * * * * * * * * * * * * * * * * * * Taxonomy A theory of taxonomy allows us to rank taxonomic groups.
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Chapter 25. The Animal Kingdom I: Introducing the Invertebrates. The Diversity of Animals ... Invertebrates that live in freshwater are more likely to have protected ...
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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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May be an explanation for the low copepod and nematode densities. H2O content of the sediment very high at 4000 m depth in 2002 just as copepod densities. ...
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Licenciatura en Hidrobiolog a Unidad Ense anza Aprendizaje: BIOLOG A DE LOS ORGANISMOS BENTONICOS II (ZOOBENTOS) TEMARIO Biol. Jos Alejandro Gamboa Contreras
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Pseudocoelomate Animals There are 9 pseudocoelomate phyla. These are a diverse lot most of which are small, and some microscopic, although a few are relatively large.
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Multicellular Animals- many cells, tissue level and system ... The chambered nautilus is a cephalopod with a beautiful external shell. Squid or Cuttlefish? ...
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Biodiversity Research and DNA Barcoding in Korea
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Why Study Continental Aquatic Systems
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from aquatic plants. Important human parasite (second only to malaria) Class Cestoidea ... Leeches. Fresh water. Do not have setae. Flat and tapered body with ...
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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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Lec 8: Zooplankton I. Major Types of Zooplankton -Taxonomy, Reproduction, Feeding II. Comparative Zooplankton Feeding -Particle size selection -Size efficiency ...
