porifera and cnidarians by kayla wallace 6th grade mrs. plunkett 20ii/taxa/b1313_ch18.htm
TRANSCRIPT
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Porifera and Cnidarians
by Kayla Wallace6th Grade
Mrs. Plunkett http://users.tamuk.edu/kfjab02/Biology/BIOLOGY%20II/Taxa/b1313_ch18.htm
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Cnidarians The simplest
organisms that have tissues.
They have an outer covering and an inner gastrodermis.
http://www.cashou.com/portfolio/ocean/264-265_Cnidarians%201.jpg
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Cnidarians
The gastrovascular cavity has only one opening, a mouth, through which the animal takes in food and releases waste.
Tentacles radiate outward from the rim of the mouth.
http://z.about.com/d/animals/1/0/J/U/cnidarian1.jpg
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Video of Jellyfish
http://videos.howstuffworks.com/discovery/28330-discover-magazine-jellyfish-video.htm
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Cnidarians
http://www.bing.com/images/search?q=cnidarians&go=&form=QBIR&qs=n&adlt=strict#focal=a4d4330e92cb52d29589fbef3cddba11&furl=http%3A%2F%2Fwww.afcd.gov.hk%2Fenglish%2Fconservation%2Fcon_mar%2Fcon_mar_cor%2Fcon_mar_cor_hkcaml%2Fimages%2Fpolyp.jpg
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Portuguese Man of War
The Portuguese Man of War is one of the most feared jellyfish in the world.
http://www.typicallyspanish.com/spain/uploads/2/jellyfishnewcarabela.jpg
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Poriferans There are 9,000 plus species of sponges. Fossil sponges are among the oldest known animal fossils.
http://www.ucmp.berkeley.edu/porifera/porifera.htmlhttp://www.ucmp.berkeley.edu/porifera/porifera.html
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Porifera
Have cellular-level organization, meaning that their cells are specialized so that different cells perform different functions.
http://sciweb.hfcc.net/Biology/jacobs/bio131/animaldiversity/sponge-4logs.jpg
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Profierans
Sponges are a diverse group of sometimes common types, with about 5000 species known across the world.
Sponges are primarily marine, but around 150 species live in fresh water.
http://www.scubaportal.it/assets/images/biologia/poriferi/Niphates-digitalis.jpg
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Poriferans
Poriferans are commonly referred to as sponges.
Approximately 5,000 living sponge species are classified in the phylum Porifera.
http://zoologi.snm.ku.dk/english/collections/invertebrates/collection_databases/dendronephthya.jpg/
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Porifera
•This is one of the Poriferans •The domain is Eukaryotic.
http://simple.wikipedia.org/wiki/File:SpongeColorCorrect.jpg
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Bibliography
"Introduction to Porifera." UCMP - University of California Museum of Paleontology. Web. 09 Nov. 2009. <http://www.ucmp.berkeley.edu/porifera/porifera.html>.
"HowStuffWorks Videos "Discover Magazine: Jellyfish"" Howstuffworks "Video Channel" Web. 09 Nov. 2009. <http://videos.howstuffworks.com/discovery/28330-discover-magazine-jellyfish-video.htm>.
"Porifera and Cnidaria." Faculty/Staff/Student Web Site - TAMUK. Web. 09 Nov. 2009. <http://users.tamuk.edu/kfjab02/Biology/BIOLOGY%20II/Taxa/b1313_ch18.htm>.
"Porifera." Tree of Life Web Project. Web. 09 Nov. 2009. <http://tolweb.org/Porifera>.
Jellyfish and other sea creatures. New York: Putnam, 1982. Print.
http://en.wikipedia.org/wiki/Cnidaria