Porifera and Cnidarians

by Kayla Wallace6th Grade

Mrs. Plunkett http://users.tamuk.edu/kfjab02/Biology/BIOLOGY%20II/Taxa/b1313_ch18.htm

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

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

Video of Jellyfish

http://videos.howstuffworks.com/discovery/28330-discover-magazine-jellyfish-video.htm

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

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

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

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

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

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/

Porifera

•This is one of the Poriferans •The domain is Eukaryotic.

http://simple.wikipedia.org/wiki/File:SpongeColorCorrect.jpg

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