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Porifera
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  • 1. Porifera (Sponges) Presented by: Jordan Minert 7 th Period 5/19/09 http://tolweb.org/images/Porifera/2464 http://tolweb.org/images/Porifera/2464
  • 2. How they are classified.
    • Shape
    • Hexactinellida
    • Demospongiae
    • Calcarea
    http://tolweb.org/images/Porifera/2464 http://www.erin.utoronto.ca/~w3bio319/Porifera%20and%20Cnidaria_3.pdf
  • 3. What do they look like?
    • Asymmetrical
    • Different colors
    • Pores (little holes on the surface.)
    • Different shapes
    • And hard.
    http://tolweb.org/images/Porifera/2464
  • 4. Reproduction
    • Sperm gets put out of the male sponge,
    • Currents pick the sperm up,
    • They get fertilized once coming incontact with a female sponge,
    • making larva to grow in the ocean water.
    • Fresh water sponges uses fermentation.
  • 5. Food and digestive system!
    • Food
    • Filter feeding
    • They take the protein out of the water through a post protein scaffold.
    • Digestive system
    • No digestive system
  • 6. Circulatory system
    • No
    • Circulatory
    • System.
  • 7. Repertory system
    • They absorbed oxygen out of the water.
    • (The air bubbles)
    http://images.google.com/imgres?imgurl=http://www.featurepics.com/FI/Thumb/20070922/Bubbles-Under-Water-460945.jpg&imgrefurl=http://www.featurepics.com/selections/Bubble-Background-368.htm&usg=__JFIGBJBN4VUOe01dMMleSRr5CPA=&h=129&w=129&sz=5&hl=en&start=17&tbnid=7SAsYB7MxQYbiM:&tbnh=91&tbnw=91&prev=/images%3Fq%3Dbubbles%2Bin%2Bwater%26gbv%3D2%26hl%3Den
  • 8. Environment
    • Manly in salt water
    • and some in fresh water,
    • Normally on or by rocks
    • or coral reefs.
    http://animaldiversity.ummz.umich.edu/site/accounts/information/Porifera.html
  • 9. Interaction with humans
    • They use to be used for painting (Greece), bathing (Egypt), and toilet paper (Rome).
    • Now when they find dead sponges they bleach them, dye them, and sell them as kitchen sponges and such.
  • 10. 5 interesting facts
    • No tissue
    • They are mobile
    • 98% are marine and 2% are freshwater
    • When being made into cleaning sponges no chemicals added to make the soft and squishy.
    • Can live by the surface of the water and the bottom of the ocean.
  • 11. Pictures
  • 12. Bibliography
    • http://tol.tolweb.org/Porifera/2464
    • http://faculty.evansville.edu/de3/b10802/PPoint/Porifera/4-Porifera.ppt
    • http://library.thinkquest.org/26502/level2/History/human.htm