Porifera

3,582 views

Published on

Published in: Technology, Business
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
3,582
On SlideShare
0
From Embeds
0
Number of Embeds
18
Actions
Shares
0
Downloads
89
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

Porifera

  1. 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. 2. How they are classified. <ul><li>Shape </li></ul><ul><li>Hexactinellida </li></ul><ul><li>Demospongiae </li></ul><ul><li>Calcarea </li></ul>http://tolweb.org/images/Porifera/2464 http://www.erin.utoronto.ca/~w3bio319/Porifera%20and%20Cnidaria_3.pdf
  3. 3. What do they look like? <ul><li>Asymmetrical </li></ul><ul><li>Different colors </li></ul><ul><li>Pores (little holes on the surface.) </li></ul><ul><li>Different shapes </li></ul><ul><li>And hard. </li></ul>http://tolweb.org/images/Porifera/2464
  4. 4. Reproduction <ul><li>Sperm gets put out of the male sponge, </li></ul><ul><li>Currents pick the sperm up, </li></ul><ul><li>They get fertilized once coming incontact with a female sponge, </li></ul><ul><li>making larva to grow in the ocean water. </li></ul><ul><li>Fresh water sponges uses fermentation. </li></ul>
  5. 5. Food and digestive system! <ul><li>Food </li></ul><ul><li>Filter feeding </li></ul><ul><li>They take the protein out of the water through a post protein scaffold. </li></ul><ul><li>Digestive system </li></ul><ul><li>No digestive system </li></ul>
  6. 6. Circulatory system <ul><li>No </li></ul><ul><li>Circulatory </li></ul><ul><li>System. </li></ul>
  7. 7. Repertory system <ul><li>They absorbed oxygen out of the water. </li></ul><ul><li>(The air bubbles) </li></ul>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. 8. Environment <ul><li>Manly in salt water </li></ul><ul><li>and some in fresh water, </li></ul><ul><li>Normally on or by rocks </li></ul><ul><li>or coral reefs. </li></ul>http://animaldiversity.ummz.umich.edu/site/accounts/information/Porifera.html
  9. 9. Interaction with humans <ul><li>They use to be used for painting (Greece), bathing (Egypt), and toilet paper (Rome). </li></ul><ul><li>Now when they find dead sponges they bleach them, dye them, and sell them as kitchen sponges and such. </li></ul>
  10. 10. 5 interesting facts <ul><li>No tissue </li></ul><ul><li>They are mobile </li></ul><ul><li>98% are marine and 2% are freshwater </li></ul><ul><li>When being made into cleaning sponges no chemicals added to make the soft and squishy. </li></ul><ul><li>Can live by the surface of the water and the bottom of the ocean. </li></ul>
  11. 11. Pictures
  12. 12. Bibliography <ul><li>http://tol.tolweb.org/Porifera/2464 </li></ul><ul><li>http://faculty.evansville.edu/de3/b10802/PPoint/Porifera/4-Porifera.ppt </li></ul><ul><li>http://library.thinkquest.org/26502/level2/History/human.htm </li></ul>

×