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My powerpoint of Tunicates for Mrs. Tabor's science project!

My powerpoint of Tunicates for Mrs. Tabor's science project!

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  • 1. Chordata Urochordata By Sam Cleary Period 2 5/19/09-5/20/09 Bluebell Tunicate Clavelina puertosecensis
  • 2. Classification
    • Class Appendicularia-Floats freely  
    • Class Ascidiacea-Attached Ascidiacea
    • Class Thiliacea
  • 3. Parts Of Urochordata
    • pharyngeal slits and arches
    • dorsal hollow nerve cord
    • notochord
    • post-anal muscular (unsegmented) tail.
    • sessile filter feeders with an expanded pharynx
    • larval lampreys
  • 4. Reproduction
    • Most Urochordates are hermaphrodites, meaning the have both sperm and egg.
    • Some can reproduce asexually by budding
  • 5. Feeding and Digestion
    • Suspension feeders
    • They use Mucus nets to trap plankton. The mucus catches food particles and is digested by the Dorsal Lamina and moved to the stomach.
  • 6. Circulatory System
    • Consists of a ventral heart
    • Open circulatory system, so blood flows all around the entire body (no veins)
  • 7. Respiratory System Through respiratory Tube Out Gills Water Flows in Mouth
  • 8. Living environment
    • Lives in an aquatic or marine environment .
  • 9. Interactions with Us
    • Very good in research value
    • Some demand for food items or as pets in aquariums
  • 10. Unique Features
    • Has a “U” Shaped gut
    • Filter Feeders
    • More than two cell layers, tissues, and organs
    • Body covered in secreted protein
  • 11. Other Information
    • Also called Tunicates
    • Commonly known as “Sea Squirts”
    • Referred to evolutionarily important group of animals
    • Nearly 2000 species discovered
  • 12.  
  • 13. Information Bibliography
    • Urochordata. May 19 2009. http://courses.washington.edu/emb2002/animals/urochordata.pdf
    • Phylum Chordata . May 19 2009. http ://www.biol.wwu.edu/donovan/biol46
    • M. E. Haffey. Hemichordates and Chordates. May 20 2009. http://faculty.vassar.edu/mehaffey/academic/animalstructure/outlines/chordata.html
    • S. Raylman. Phylum Chordata. May 20 2009.
    • http://www.as.wvu.edu/~sraylman/comparative/lectures/2uro,ceph,craniata.pdf
    • Lewbart, Gregory. Invertabrates Medicines. Blackwell Publishing, 2006.
    • Ramel, Gordon. The Sea Squirts. May 21 2009.
    • http://earthlife.net/inverts/urochordata.html
  • 14. Image Bibliography
    • http://www.aboututila.com/Reviews/Charlie-Johnson/Photos/Bluebell-Tunicates.jpg
    • http://tolweb.org/Chordata/2499
    • http://www.usm.maine.edu/bio/courses/bio205/Urochordate%20tree.jpg