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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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Protostomia: Lophotrochozoa
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... (Radiata): phyla Cnidaria Grade II (Bilateria): all other phyla Division A (Protostomia): Mouth is first opening Subdivision of Protostomes by coelom formation: ...
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Characteristics of Protostomia: ... the body by diffusion Most do not have a respiratory or circulatory system Planaria Marine Flatworm Tapeworm Fluke Nematodes: ...
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Recall that Bilateralia includes two great groups of organisms Protostomia and ... Beginning of organogenesis. Significant segmentation ...
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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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Title: Slide 1 Author: ettz Last modified by: Elena Tasheva-Terzieva Created Date: 10/7/2004 10:34:57 AM Document presentation format: On-screen Show
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Crinoidea (sea lilies) Asteroidea (starfishes) Ophiuroidea (brittle stars) Echinoidea (sea urchins) Holothuroidea (sea cucumbers) ...
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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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... dinoflagellates key link in marine food webs UNIRAMIA Subphylum Uniramia (uniramians) centipedes, millipedes, insects terrestrial UNIRAMIA uniramous appendages: ...
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Phylum Platyhelmenthes (the flatworms) General characteristics Eumetazoa - animals with tissue Bilateria - have bilateral symmetry Head end-cephalization
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Title: Bez nadpisu Author: lastuvka Last modified by: La t vka Zden k Created Date: 9/13/2004 5:41:14 PM Document presentation format: P edv d n na obrazovce
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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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Das ultimative Quiz Systematik Tiere & Pflanzen 2 Unter einer GATTUNG versteht man A eine Gruppe nahe verwandter Arten B eine Gruppierung von mindestens 2 Arten ...
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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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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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Reproductive system is not well understood: Only female reproductive organs have been identified. ... Pigs become infected by eating grubs.
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chapter 33 invertebrates
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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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SYSTEMATIKA ZOOL GIE Intern materi l pre tudentov 3. ro n ka gymn zia Mgr. Zdenka Hertelyov V vinov vetva druho ste (Deuterostomia) Kme ...
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Monofilia Parafilia Polifilia CLASSIFICA O TRADICIONAL DO REINO ANIMALIA Grupos de afinidade incerta Filos Mesozoa, ...
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Metodick materi l T ma: Vypracovala: Lenka Karetkov 5uBi-Ch SYST M: r a: ivo chy (Animalia) podr a: mnohobunkovce (Metazoa) skupina: prvo stovce ...
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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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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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[5] Biskupsk gymn zium a Z kladn kola Bohosudov
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Radiata Phylum Cnidaria Phylum Ctenophora * CERIANT RIOS An monas-tubo Tubo de pticocistos (um tipo de cnidocisto) Tent culos labiais e marginais Coluna bem ...
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Title: Chapter 7 Animal Classification, Phylogeny, and organization Author: kelley Last modified by: coxk Created Date: 9/4/2006 3:56:46 PM Document presentation format
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Evidence for gradualism. First principles: evolution. Pattern in the data. Recovery response ... Conclusions: Catastrophism coupled with gradualism ...
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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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Phylogeny and Systematics Chapter 10 * * * * * * * * * * * * * * * * * * * * * * * * * * * * Taxonomy A theory of taxonomy allows us to rank taxonomic groups.
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Chapter 32 Introduction to Animal Evolution I. What is an animal? A. Structure, nutrition, and life history define animals 1.
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They have a true coelom, the fluid filled body cavity is completely lined in ... Coelom Formation: In gastrulation, the developing of the digestive tube, there ...
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Phylogeny and Systematics Chapter 10 * * * * * * * * * * * * * * * * * * * * * * * * * * * * Taxonomy A theory of taxonomy allows us to rank taxonomic groups.
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tentacle-like structures =tube feet w/ suction pads. tube feet -hydraulically controlled by ... http://www.occ.cccd.edu/faculty/mperkins/zoo-review/sea-star ...
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Practice Questions for Exam 1 Reproduction that occurs when a portion of a parent splits off to form a new individual is a. Asexual b. Budding c. Sexual
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Autapomorphies are characters that are restricted to ... Anura. Urodela. Mammalia. Squamata. Therosauria. Aves. Tetrapoda. Amniota. Reptilia (paraphyletic) ...
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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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... * * * * * * * * * * * * * * * * * * * CLASSIFICA O TRADICIONAL DO REINO ANIMALIA Grupos de afinidade incerta Filos Mesozoa, ...
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Alkaloidok 1805: Sert rner morfin n v nyi alk li k 1818: Meissner alkaloidok (=alk li szer ) 1. n v nyi eredet 2. N-tartalm , b zikus
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A new cavity = coelom. Schizocoely = mesodermal splitting ... A new cavity = coelom. enterocoely = mesodermal outpouchings from gut. blastocoel. blastocoel ...
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