E C H I N O D E R M A T A Emilia Atanassova Antoaneta Stefanova Elena Tatarova 10/1 http://th02.deviantart.net/fs40/300W/i...
NAME AND SYMMETRY (14) <ul><li>Echino- (phylum name – from Greek – “spiny”) + dermata (from Greek – derma = “skin”) </li><...
CLADOGRAM AND DERIVED CHARACTERISTICS  <ul><li>kingdom Animalia (9) </li></ul><ul><li>clade Deuterostomia (9) </li></ul><u...
REPRODUCTION(2,3,4) <ul><li>Males and females -> release gametes </li></ul><ul><li>Do not “look after their children </li>...
DIGESTION (16, 17) <ul><li>Food is taken through the mouth (located in the bottom of the organism) (16) </li></ul><ul><li>...
MOVEMENT (9,13) <ul><li>water vascular system </li></ul><ul><li>Tube feet also used for…digestion,feeding,gas exchange </l...
ALL TYPES OF ECHINODERMATA (14)  <ul><li>6,000 existing species </li></ul><ul><li>6 main classes </li></ul><ul><li>Crinoid...
BRITTLE STAR  <ul><li>1,600 species </li></ul><ul><li>Ophiuroids – “snake stars” – long flexible arms and disk-shaped body...
SAND DOLLAR  ECHINARACHNIUS EXENTRICUS  (5, 6) <ul><li>Velvet, blue coloring </li></ul><ul><li>Secondary billateral symmet...
SEA CUCUMBER -  SYNAPTA MACULATA (11,10) <ul><li>Classification:  Biota >  Animalia  (Kingdom) >  Echinodermata  (Phylum) ...
HUMAN USES (12) <ul><li>Food </li></ul><ul><li>-soups (sea cucumbers;bêche-de-mer) </li></ul><ul><li>- sea urchins sex org...
WORK CITED <ul><li>http://www.mcz.harvard.edu/Departments/InvertPaleo/Trenton/Intro/PaleoPage/Terminology&Morphology/Termi...
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echinodermata updated a-stefanova_e_atanassova_e_tatarova_10_1

  1. 1. E C H I N O D E R M A T A Emilia Atanassova Antoaneta Stefanova Elena Tatarova 10/1 http://th02.deviantart.net/fs40/300W/i/2009/044/f/4/Sea__s_Dreams_by_minica.jpg http://www.thenakedscientists.com/HTML/uploads/RTEmagicC_Sea_Cucumber_small.jpg.jpg
  2. 2. NAME AND SYMMETRY (14) <ul><li>Echino- (phylum name – from Greek – “spiny”) + dermata (from Greek – derma = “skin”) </li></ul><ul><li>Marine invertabrates </li></ul><ul><li>Hard spiny covering </li></ul><ul><li>Calcite skeleton </li></ul><ul><li>Echinoderm larvae – ciliated; bilateral symmetry </li></ul><ul><li>Evolve in pentaradially symmetry </li></ul><ul><li>Five – rayed radial body symmetry </li></ul>http://irati.pnte.cfnavarra.es/cpsadrw/la_voz_menuda/blogs/media/blogs/ingles/seastar.jpg
  3. 3. CLADOGRAM AND DERIVED CHARACTERISTICS <ul><li>kingdom Animalia (9) </li></ul><ul><li>clade Deuterostomia (9) </li></ul><ul><li>deuterostomes - common ancestor with humans-at least 558 MYA (before Cambrian explosion)(9) </li></ul><ul><li>common to other phylum Chordata (9) </li></ul><ul><li>Five arms, connected to a central disc (2) </li></ul><ul><li>Ambulacral groove – groove through which food is conveyed from rays to mouth (1) </li></ul><ul><li>Water vascular system (2) </li></ul>
  4. 4. REPRODUCTION(2,3,4) <ul><li>Males and females -> release gametes </li></ul><ul><li>Do not “look after their children </li></ul><ul><li>Reproducing also by splitting (regeneration) </li></ul>http:// www.madsci.org/posts/archives/2003-04/1049909519.Zo.1.jpg
  5. 5. DIGESTION (16, 17) <ul><li>Food is taken through the mouth (located in the bottom of the organism) (16) </li></ul><ul><li>Food goes to the esophagus (16) </li></ul><ul><li>Two stomachs – cardiac and pyloric (16) </li></ul><ul><li>First in the cardiac stomach (16) </li></ul><ul><li>Ability to take their cardiac stomach out (by opening a valve) (16) </li></ul><ul><li>Next food is digested in the pyloric stomach (16) </li></ul><ul><li>Intestines and digestive glands; Excreted through anus (16) </li></ul><ul><li>Herbivores, Scavengers, Predators, Detritus (17) </li></ul>
  6. 6. MOVEMENT (9,13) <ul><li>water vascular system </li></ul><ul><li>Tube feet also used for…digestion,feeding,gas exchange </li></ul><ul><li>Water –> shapes the star and “makes a foot” </li></ul><ul><li>Muscles retract the foot </li></ul>http://images.google.bg/imgres?imgurl=http://irati.pnte.cfnavarra.es/cpsadrw/la_voz_menuda/blogs/media/blogs/ingles/blueseastar.jpg&imgrefurl=http://irati.pnte.cfnavarra.es/cpsadrw/la_voz_menuda/blogs/index.php/2009/02/18/sea-star%3Fblog%3D35&usg=__oHQspiqkKUD8hcP-yLa0W1xKVkw=&h=450&w=600&sz=172&hl=bg&start=19&um=1&itbs=1&tbnid=2Ez92fpXBd3bHM:&tbnh=101&tbnw=135&prev=/images%3Fq%3Dsea%2Bstar%26um%3D1%26hl%3Dbg%26sa%3DN%26rlz%3D1T4SKPB_enBG328BG328%26tbs%3Disch:1
  7. 7. ALL TYPES OF ECHINODERMATA (14) <ul><li>6,000 existing species </li></ul><ul><li>6 main classes </li></ul><ul><li>Crinoidea – feather stars and sea lilies </li></ul><ul><li>Asteroidea – starfishes </li></ul><ul><li>Ophiuroidea – brittle stars and basket stars </li></ul><ul><li>Echinoidea – sea urchins </li></ul><ul><li>Concentricycloidea – sea daisies </li></ul><ul><li>Holothuroidea – sea cucumbers </li></ul>
  8. 8. BRITTLE STAR <ul><li>1,600 species </li></ul><ul><li>Ophiuroids – “snake stars” – long flexible arms and disk-shaped body </li></ul><ul><li>Move by wriggling their arms (Skeleton of calcium carbonate) </li></ul><ul><li>From Arctic and Antarctic to the tropics </li></ul><ul><li>Deeper Water </li></ul><ul><li>Salt water </li></ul><ul><li>Scavengers </li></ul>http://images.google.bg/imgres?imgurl=http://clem.mscd.edu/~churchcy/BIO3200/outline/animalia/brittle.jpg&imgrefurl=http://clem.mscd.edu/~churchcy/BIO3200/outline/animalia/echinodermata.htm&usg=__BfC64QOlmljzlO4YztHZBLmfdFM=&h=230&w=190&sz=23&hl=bg&start=6&um=1&itbs=1&tbnid=yrG2Aq3WqI146M:&tbnh=108&tbnw=89&prev=/images%3Fq%3Dbrittle%2Bstar%26um%3D1%26hl%3Dbg%26sa%3DN%26rlz%3D1T4SKPB_enBG328BG328%26tbs%3Disch:1
  9. 9. SAND DOLLAR ECHINARACHNIUS EXENTRICUS (5, 6) <ul><li>Velvet, blue coloring </li></ul><ul><li>Secondary billateral symmetry </li></ul><ul><li>Flat(why?) </li></ul><ul><li>Food menu:larvae, algae, and any tiny particles of food that float in water </li></ul><ul><li>Part of food menu to: sea stars, cod, and other bottom feeding fish </li></ul>http://www.mccoyphoto.com/sand-dollar-surf.jpg
  10. 10. SEA CUCUMBER - SYNAPTA MACULATA (11,10) <ul><li>Classification: Biota > Animalia  (Kingdom) > Echinodermata  (Phylum) > Echinozoa  (Subphylum) > Holothuroidea  (Class) > Apodida  (Order) > Synaptidae  (Family) > Synapta  (Genus) (10) </li></ul><ul><li>largest species (10,11) </li></ul><ul><li>can reach up to 5 m long (11) </li></ul><ul><li>Grey, brown coloring (10) </li></ul><ul><li>lives in Indo-west Pacific ocean </li></ul><ul><li>in depths from 0 to 20m (10) </li></ul>http://animalreview.files.wordpress.com/2008/07/sea-cucumber.jpg
  11. 11. HUMAN USES (12) <ul><li>Food </li></ul><ul><li>-soups (sea cucumbers;bêche-de-mer) </li></ul><ul><li>- sea urchins sex organs’ -> delicasy in Japan, Chile, some parts of Europe </li></ul><ul><li>Medicine </li></ul><ul><li>-not many discoveries </li></ul><ul><li>-believed to ameliorate tumors </li></ul><ul><li>Jewelry and Souvenirs </li></ul><ul><li>Kill fish </li></ul><ul><li>Research </li></ul>
  12. 12. WORK CITED <ul><li>http://www.mcz.harvard.edu/Departments/InvertPaleo/Trenton/Intro/PaleoPage/Terminology&Morphology/Terminology&Morphology.htm </li></ul><ul><li>http://en.wikipedia.org/wiki/Echinoderm </li></ul><ul><li>http://tolweb.org/Echinodermata </li></ul><ul><li>http://www.discoverlife.org/20/q?search=Echinodermata </li></ul><ul><li>http://www.enchantedlearning.com/subjects/invertebrates/echinoderm/Sanddollarprintout.shtml </li></ul><ul><li>http://echinoblog.blogspot.com/2009/01/what-are-those-holes-in-sand-dollars.html </li></ul><ul><li>http://upload.wikimedia.org/wikipedia/commons/f/fc/Keyhole_sand_dollar_01.jpg </li></ul><ul><li>http://www.wildabouttheworld.com/gallery/data/507/sand-dollar.jpg </li></ul><ul><li>biology textbook </li></ul><ul><li>http://www.marinespecies.org/aphia.php?p=taxdetails&id=210974 </li></ul><ul><li>http://tolweb.org/Holothuroidea </li></ul><ul><li>http://www.britannica.com/EBchecked/topic/177910/echinoderm/25730/Relation-to-human-life </li></ul><ul><li>http://www.mbgnet.net/salt/coral/animals/echinod.htm </li></ul><ul><li>http://www.britannica.com/EBchecked/topic/177910/echinoderm </li></ul><ul><li>http://www.ucmp.berkeley.edu/echinodermata/ophiuroidea.html </li></ul><ul><li>http://echinodermsg.blogspot.com/2007/04/digestion.html </li></ul><ul><li>http://library.thinkquest.org/28751/review/animals/7.html </li></ul>

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