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Cnidaria
Technicalities <ul><li>Two variations on body plan: </li></ul><ul><li>Cnidaria? </li></ul><ul><li>Radial symmetry </li></u...
Hello, my name is… <ul><li>Sometimes referred to as Coelenterata, phylum Cnidaria consists of aquatic, invertebrate animal...
Anthozoa coral Sea pen Anemone
Hydrozoa
Scyphozoa  Cubozoa back
For the billionth time… Radial symmetry... IN ACTION! back
back
Nematocyst
References <ul><li>“ Cnidaria.”  Wikipedia.  2008.  Wikimedia Foundation, Inc.  4 February 2008 < http:// en.wikipedia.org...
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Cnidaria

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Cnidaria

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Transcript of "Cnidaria"

  1. 1. Cnidaria
  2. 2. Technicalities <ul><li>Two variations on body plan: </li></ul><ul><li>Cnidaria? </li></ul><ul><li>Radial symmetry </li></ul><ul><li>Diploblastic </li></ul><ul><ul><li>No true body cavity </li></ul></ul><ul><ul><li>Embryo has only ectoderm and endoderm </li></ul></ul><ul><li>Central gastrovascular cavity </li></ul><ul><li>Cnidae (Nematocysts) </li></ul>
  3. 3. Hello, my name is… <ul><li>Sometimes referred to as Coelenterata, phylum Cnidaria consists of aquatic, invertebrate animals. Characteristic of animals within this phylum are radial symmetry, a gastrovascular cavity, and cnidae (capsule-like organelles capable of everting). Cnidaria may be broken up into four classes: </li></ul>
  4. 4. Anthozoa coral Sea pen Anemone
  5. 5. Hydrozoa
  6. 6. Scyphozoa Cubozoa back
  7. 7. For the billionth time… Radial symmetry... IN ACTION! back
  8. 8. back
  9. 9. Nematocyst
  10. 10. References <ul><li>“ Cnidaria.” Wikipedia. 2008. Wikimedia Foundation, Inc. 4 February 2008 < http:// en.wikipedia.org/wiki/Cnidaria >. </li></ul><ul><li>Collins, Allen. “Introduction to Cnidaria.” University of California Museum of Paleontology. 2006. UCMP. 4 February 2008 < http:// www.ucmp.berkeley.edu/cnidaria/cnidaria.html >. </li></ul><ul><li>Macer, Darryl. “Bioethics Dictionary.” Eubios Ethics Institute. 2008. Eubios Ethics Institute. 4 February 2008 < http:// www.eubios.info/biodict.htm >. </li></ul><ul><li>“ Sea Pen.” Wikipedia. 2007. Wikimedia Foundation, Inc. 4 February 2008 <http://en.wikipedia.org/wiki/Sea_pen>. </li></ul><ul><li>Campbell, Neil. “Invertebrates.” Biology. Seventh Edition. Ed. Beth Wilbur. San Francisco: Pearson Education, 2005. 643-645. </li></ul>
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