Difference between revisions of "Sponge"

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{{Taxonomy|image = Sponge.jpg|kingdom = Animalia
 
{{Taxonomy|image = Sponge.jpg|kingdom = Animalia
 
|phylum = Porifera|}}
 
|phylum = Porifera|}}
'''Sponges''' or '''poriferans''' ([[Latin]]: ''porus'' "pore" and ''ferre'' "to bear") are animals of the phylum '''Porifera''', with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water. Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions, but similar cells are not organized into tissues and their bodies are a loose aggregation of different kinds of cells. This is the simplest kind of cellular organization found among [[parazoa]]ns.<ref>Myers, P. 2001. "Porifera"  [http://animaldiversity.ummz.umich.edu/site/accounts/information/Porifera.html Animal Diversity Web] Accessed June 20, 2007</ref>. Sponges and [[Liberals]] are well known [[Barack Obama|Obama]] supporters.
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'''Sponges''' or '''poriferans''' ([[Latin]]: ''porus'' "pore" and ''ferre'' "to bear") are animals of the phylum '''Porifera''', with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water. Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions, but similar cells are not organized into tissues and their bodies are a loose aggregation of different kinds of cells. This is the simplest kind of cellular organization found among [[parazoa]]ns.<ref>Myers, P. 2001. "Porifera"  [http://animaldiversity.ummz.umich.edu/site/accounts/information/Porifera.html Animal Diversity Web] Accessed June 20, 2007</ref>
  
 
==Classes==
 
==Classes==

Latest revision as of 04:59, 17 May 2008

Sponge
Sponge.jpg
Scientific classification
Kingdom Information
Kingdom Animalia
Phylum Information
Phylum Porifera
Population statistics

Sponges or poriferans (Latin: porus "pore" and ferre "to bear") are animals of the phylum Porifera, with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water. Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions, but similar cells are not organized into tissues and their bodies are a loose aggregation of different kinds of cells. This is the simplest kind of cellular organization found among parazoans.[1]

Classes

There are three classes of porifera:


Porifera  
Calcarea

 


 Demospongiae 

 


 Hexactinellida 

 




References

  1. Myers, P. 2001. "Porifera" Animal Diversity Web Accessed June 20, 2007