Arthropoda Myriapoda


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Arthropoda Myriapoda

  1. 1. Millipede/ Diplopoda Centipede/ Chilopoda Quade Walker & Sam Andrews 5/19/09 Period 2 Arthropoda Myriapoda
  2. 2. Classification Of Animals <ul><li>Kingdom – Animialia </li></ul><ul><li>Phylum – Anthropoda Jointed legs and an exoskeleton </li></ul><ul><li>Subphylum - Myriapoda “Many-footed” with a two segmented body </li></ul><ul><li>Class Chilopoda (centipedes “100 feet”) It has a flat, segmented body with a pair of legs on each segment. </li></ul><ul><li>  </li></ul><ul><li>Class Diplopoda (millipedes “1000 feet”) It has two pairs of legs on each body segment. The Greek translation is “ double footed ”. </li></ul><ul><li>  </li></ul><ul><li>Class Pauropoda (pauropods, pauropodans, and progoneates) Pauropods are a small (less than 5 mm), eyeless, pale terrestrial invertebrate with eleven segments and nine pairs of legs. Latin and Greek translate into “small-footed.” </li></ul><ul><li>  </li></ul><ul><li>Class Symphyla (pseudocentipedes and symphylans) small, blind, fast-running centipede like animals. </li></ul>
  3. 3. Basic Body Form <ul><li>Bilateral symmetry </li></ul><ul><li>exoskeleton </li></ul><ul><li>Head and segmented trunk </li></ul><ul><li>The trunk has many legs (Centipede has one pair for each segment, millipede has two pair for each segment.) </li></ul><ul><li>Centipedes body is flat, while the millipede is more of a cylinder shape. </li></ul><ul><li>Head has antenna, eyes and mouth </li></ul>
  4. 4. Millipede Shedding Exoskeleton Shedding Exoskeleton
  5. 5. Reproduction Method <ul><li>Both the centipede and millipede have separate sexes. </li></ul><ul><li>The female lays eggs which are fertilized sexually by the male. </li></ul><ul><li>Some species lay the eggs in a &quot;nest&quot; where they are guarded by the female. </li></ul><ul><li>Others lay one egg at a time and then leave it . </li></ul>
  6. 6. Feeding and Digestive system <ul><li>Millipedes are herbivores mainly eating dead vegetation. </li></ul><ul><li>Centipedes are carnivores. Their first pair of legs inject venom to kill prey. They feed on insects, earthworms, and slugs. They also eat dead vegetation. </li></ul><ul><li>The digestive system is a gut that runs from the mouth to the anus. </li></ul><ul><li>The gut is lined with a protective outer covering called a chitin, that is shed every so often. </li></ul>
  7. 8. Circulatory system <ul><li>It is an open system. </li></ul><ul><li>It has a hemocoele (blood cavity.) </li></ul><ul><li>They heart is located dorsally, or near the back. </li></ul>
  8. 9. The Respiratory System <ul><li>The centipede and millipede get oxygen delivered straight to the cells through tunnels that branch from spirals or holes in the body wall. </li></ul>
  9. 10. Living Environment <ul><li>Most Arthropoda Myriapoda live under rocks, wood bark, caves and in damp leaves. </li></ul><ul><li>They prefer dark warm places. </li></ul><ul><li>Centipedes and Millipedes are found world wide, except in polar climates </li></ul><ul><li>They are mostly nocturnal creatures </li></ul>
  10. 11. Human Interaction <ul><li>They avoid humans. </li></ul><ul><li>Some people eat centipedes </li></ul><ul><li>Some people keep them as pets (usually the bigger ones) </li></ul><ul><li>In some cultures millipedes are used medically. They treat everything from toothaches, earaches, joint illness, asthma, zits and more. </li></ul><ul><li>Millipedes are used in the study of robotics. </li></ul><ul><li>Their likeness are used in advertising (shoe commercials, air fresheners, etc.) </li></ul>
  11. 12. Unique and interesting features <ul><li>Milli means 1000 and centi means 100. Pede means foot. They don’t really have that many though. </li></ul><ul><li>Fossils prove they have been around for a very long time. </li></ul><ul><li>Millipedes protect themselves by curling into a ball and spraying hydrocyanic acid. </li></ul><ul><li>Some centipedes glow in the dark. </li></ul>
  12. 13. R C E N T I P E D E MILLIPEDE
  13. 14. <ul><li>Author unknown. Centipedes and Millipedes May 23, 2009. </li></ul><ul><li>Photographer Unknown. Hatari Invertebrates May 21,2000. </li></ul><ul><li>Photographer Unknown. Centipede Stinger. May 21,2009. </li></ul><ul><li>George Grall/Getty. Images How it Works. May 22,2009. </li></ul><ul><li>Dembsky, Jill. Amazon Rainforest Animals . “Millipede” May 21, 2009. </li></ul><ul><li>Gustafson, Todd. Tanganyika train (millipede ). May 22,2009. </li></ul>References <ul><li>Chapin, Edward. “Millipede.” The World Book Encyclopedia M Volume12. Chicago: Field Enterprises Educational Corporation: 1960. Page 472 </li></ul><ul><li>Ramel, Gordon. Earth-Life Web Productions. 5/22/2009 [email_address] </li></ul><ul><li>Enchanted Learning . 5/23/2009. </li></ul><ul><li>Photo by Diltz, Jason. Seattle Bug Safari . 5/23/2009. </li></ul><ul><li>Mike Janson and Joyce Pope (consultant editors). Go Pets America dot com . 5/22/2009 </li></ul><ul><li>Mader, Sylvia. Inquiry into Life 4 th edition. Dubuque, Iowa. Wm C. Brown Publishers, College Division. 1985. pages 608-610 </li></ul><ul><li>Microsoft Encarta Reference Library 2005 1993-2004 Microsoft Corporation </li></ul><ul><li>Unknown Phtographer. May 23,2009. </li></ul><ul><li>R. Bessin & B. Newton. Department of Entomology, University of Kentucky . May 23,2009 </li></ul>