Nematoda

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  • Hello,

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Nematoda

  1. 1. Siddhu Kandan
  2. 2. Slide One : Profile <ul><li>Hi, I am part of the Nematoda phylum, </li></ul><ul><li>We look like very simple folk, but we are complex individuals. We are found everywhere from intestines, to the Antarctic. </li></ul><ul><ul><li>We are also the second most diverse group of animals. (falling behind arthropods) There are 20,000 different species of discovered roundworms alone. </li></ul></ul>
  3. 3. Slide two: Habitat – Through rain, sleet, and snow…… and more <ul><li>We are not very picky on our dwellings and can be situated anywhere from the Antarctic, to ocean tranches, to gardens, to the inside of other animals. </li></ul>
  4. 4. Slide three: activities <ul><li>Pros </li></ul><ul><ul><li>controlling soil nutrient cycling and controlling harmful species. And many more </li></ul></ul><ul><li>Cons </li></ul><ul><ul><li>Reason for loss of agricultural production, pasture and turf damage, invasion of forest trees, adverse effects on the health of wild and domestic animals and humans. </li></ul></ul><ul><li>To be frank </li></ul><ul><ul><li>We eat, sleep, reproduce, and die </li></ul></ul>
  5. 5. Slide four: ancestors <ul><li>We’ve been here before the Carboniferous period (354 to 290 Million Years Ago) </li></ul><ul><li>We are the first animals with a complete digestive system that has two openings--the mouth and the anus </li></ul><ul><ul><li>We don't have to finish digesting and expelling wastes from one meal before it can eat another. I can have food in various stages of digestion all at the same time. </li></ul></ul><ul><li>We take food in through the mouth, digest it in the intestine, and pass undigested food waste out of the body through the anus. </li></ul>
  6. 6. Slide five: structures <ul><li>We have much less cell multiplication - cell enlargement </li></ul><ul><li>Don’t have a defined circulatory system – fluid is pushed </li></ul><ul><li>nematode’s muscle cells branch toward the nerve cells </li></ul><ul><li>16 sensory organs </li></ul>
  7. 7. Slide Six – Ideal mate <ul><li>Male view: large females </li></ul><ul><li>Female view: small males with bent tails </li></ul><ul><li>Willing to go through a six stage cycle </li></ul><ul><li>Variety of sex organs depending on species </li></ul><ul><ul><li>Willing to adapt to different environments </li></ul></ul>
  8. 8. Helpful websites/citations <ul><li>Waggoner, Ben. &quot;Introduction to the Nematoda.&quot; University of California Museum of Paleontology . 10 May 2000. University of California Museum of Paleontology. 18 Apr. 2008 <http://www.ucmp.berkeley.edu/phyla/ecdysozoa/nematoda.html>. (starting place of research, explains the history of research to anatomy) </li></ul><ul><li>Hodda, M. &quot;Nematoda.&quot; CSIRO Entomology . 27 Mar. 2001. CSIRO Entomology. 18 Apr. 2008 <http://www.ento.csiro.au/science/nematodes/introduction.html>. (another starting place, gives a perfect introduction to nematoda ex. Environment, and and research infromation) </li></ul><ul><li>&quot;Unique Features to Nematoda.&quot; Penn State Personal Web Server . Penn State University. 25 Apr. 2008 <http://www.personal.psu.edu/ncj111/Unique%20Features.htm>.(this site gave information on specialized structures in Nematoda.) </li></ul><ul><li>Ecolink. &quot;The Phylums Annelida,Nematoda,Porifera,Cni...&quot; Yahoo . 25 Feb. 2008. Yahoo. 25 Apr. 2008 <http://answers.yahoo.com/question/index?qid=20080222145908AAEDfJS>. (I understand that I did get an answer from yahoo answers but it was from a scientist with a major in botany, and biology. He is one of Yahoo’s most valuable sources. He explained the geneology of Nemotada) </li></ul>

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