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Cnidarians have a hydrostatic skeleton. The contractile fibers act against the fluid-filled gastrovascular cavity. The movements are like a balloon; the animal can be short and thick or long and thin.
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faculty.clintoncc.suny.edu/faculty/michael.gregory/file...
faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20102/bio%20102%20lectures/animal%20diversity/lower%20invertebrates/sponges.htm
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its functions is gas exchange and digestion, phylums such as cnidarians and platyhelminthes possess these
http://wiki.answers.com/Q/What_is_a_gastrovascular_cavi...
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Biology question: One difference between a gastrovascular cavity and a complete digestive tract? A gastrovascular cavity is a digestive sac with only a single opening. A complete digestive tract (otherwise ... A gastrovascular cavity is a digestive sac with only a single opening.
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wiki.answers.com/Q/One_difference_between_a_gastrovascu...
wiki.answers.com/Q/One_difference_between_a_gastrovascular_cavity_and_a_complete_digestive_tract
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Once the food is inside the gastrovascular cavity, digestive enzymes are secreted into the cavity, and extracellular digestion begins. This extracellular digestion, largely limited to proteins in cnidarians, does not break down these substances completely to their constituent amino acids.
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www.biog1105-1106.org/demos/105/unit6/gastrovascularcav...
www.biog1105-1106.org/demos/105/unit6/gastrovascularcavity.4b.html
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Gastrovascular Cavity Body Sea Saclike Cavities Opening Economy. ... Within the central cavity of this saclike body, extracellular digestion takes place. This cavity has only one opening to the outside, which is surrounded by tentacles that act to capture prey. ... Types of organism that has gastrovascular cavity:
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www.economicexpert.com/a/Gastrovascular.html
www.economicexpert.com/a/Gastrovascular.html
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Our results extend the biological significance of PFPs beyond the commonly expected offensive or defensive roles.—Sher, D., Fishman, Y., Melamed-Book, N., Zhang, M., Zlotkin, E. Osmotically driven prey disintegration in the gastrovascular cavity of the green hydra by a pore-forming protein.
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www.fasebj.org/cgi/content/abstract/fj.07-9133comv1
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Coelenterate and Jellyfish Envenomations - Coelenterates are in the phylum of aquatic invertebrates responsible for more envenomations than any other marine phylum. Close to 9000 species of coelenterates are known, of which approximately 100 are toxic to humans. ... You are in: ... Last Updated: May 25, 2006...
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www.emedicine.com/emerg/topic104.htm
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Definition and meaning of gastrovascular cavity: gastrovascular cavity - the internal digestive cavity of cnidarians and ctenophores that is lined with the gastrodermis (Source: US National Oceanic and Atmospheric ... Definition and meaning of gastrovascular cavity:
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www.experiencefestival.com/a/gastrovascular_cavity/id/6...
www.experiencefestival.com/a/gastrovascular_cavity/id/6078037
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