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Fossil steroids found underground in Oman show that early Earth was the scene of a sea sponge heyday more than 635 million years ago. ... Was The Humble Sponge Earth's First Animal? (April 1, 2002)
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news.nationalgeographic.com/news/2009/02/090204-oldest-...
news.nationalgeographic.com/news/2009/02/090204-oldest-animals.html
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The larva eventually settles on the sea floor, becomes sessile and ... the flagellum moves, pushing water (which contains nourishment) through the sponge. hermaphrodite - an animal in which each adult can act as either the female or the male in reproduction. holdfast - root-like tendrils that attach the sponge to rocks.
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www.enchantedlearning.com/subjects/invertebrates/sponge...
www.enchantedlearning.com/subjects/invertebrates/sponge/
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Sea sponges, or Porifera, are colourful, simple-celled, filter feeding animals, not plants, that grow in every ocean in the world. ... True bath lovers, though, will agree that for pure bathing luxury there’s no contest when it comes to choosing between the synthetic sponge or the more costly natural sea sponge. Why?
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www.essortment.com/all/whatareseaspo_rkql.htm
www.essortment.com/all/whatareseaspo_rkql.htm
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WHAT WE DO: ... •Create educational materials for use in the classroom ... •Create free on-line educational resources...
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www.oceanicresearch.org/sponges.html
www.oceanicresearch.org/sponges.html
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Sponges- phylum Porifera, are sometimes considered an evolutionary dead end since no other animal groups are derived from them. Biologists are still divided on whether the sponge is a true multicellular organism or a colony of cells.
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www.accessexcellence.org/WN/SUA04/carniverous_sponge.ht...
www.accessexcellence.org/WN/SUA04/carniverous_sponge.html
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This bright red sponge species is very common throughout the Caribbean Sea. This sponge usually grows to a height of about 8 inches. This is one species that is easy to keep and can do relatively well in a home aquarium environment.
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www.seasky.org/reeflife/sea2a.html
www.seasky.org/reeflife/sea2a.html
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International Wildlife, August-July, 1999 by Doug Stewart ... The more researchers learn about these strangest of strange animals, the more they want to know ... Advanced Search in...
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www.findarticles.com/cf_0/m1170/1999_August-July/584164...
www.findarticles.com/cf_0/m1170/1999_August-July/58416445/p1/article.jhtml
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Neave's Nomenclator Zoologicus online search - originally a printed compilation of genus names for most animal species published between 1758 and approx. 2004...
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www.marine.csiro.au/datacentre/taxonomy/tax_details.htm
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Animal Diversity Web. Natural History Museum, University of Michigan. An introduction to the sponges, but without viewable pictures. ... Hermit Crab Sponges. Information and a couple of photographs of sponges living on the sea shells of hermit crabs.
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www.nearctica.com/nathist/miscanim/sponge.htm
www.nearctica.com/nathist/miscanim/sponge.htm
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