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Brief and Straightforward Guide: What is a Nautilus? ... The unique air chambers lead to an alternate name, the chambered nautilus, to distinguish it from the paper nautilus, a different animal in the genus Argonauta.
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www.wisegeek.com/what-is-a-nautilus.htm
www.wisegeek.com/what-is-a-nautilus.htm
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Brought to you by the National Zoo| FONZ. ... The chambered nautilus lives in tropical waters extending from the Andaman Sea east to Fiji and from southern Japan to the Great Barrier Reef. This animal usually lives where the slopes of coral reefs descend into deep waters.
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nationalzoo.si.edu/Animals/Invertebrates/Facts/cephalop...
nationalzoo.si.edu/Animals/Invertebrates/Facts/cephalopods/FactSheets/chamberednautilus.cfm
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The Pearly Nautilus (Nautilus Pompilius) is the only living representative of a unique form of cephalopod, The last formed chamber houses the animal and is the largest. Another is added as the previous is outgrown. The chambers communicate by small holes in the septa and a body extension, the siphuncle,
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www.nautilusimports.com/biology.htm
www.nautilusimports.com/biology.htm
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The US needs a stronger position on live-animal research ... See here for previous Nautilus posts and discussion on animal experimentation. ... Further Nautilus discussion on the topic of animal experimentation can be found here.
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blogs.nature.com/nautilus/categories/policies/animal_ex...
blogs.nature.com/nautilus/categories/policies/animal_experiments/
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The debate over whether and how scientists should use animal models has been inflammatory, and the opposing viewpoints are difficult to reconcile. Many animal-rights activists call for nothing less than the total abolition of all research involving animals. ... Nautilus logo...
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blogs.nature.com/nautilus/2007/06/animal_rights_human_w...
blogs.nature.com/nautilus/2007/06/animal_rights_human_wrongs.html
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Barely a year old, Cologne, Germany-based Nautilus Productions has pilots in the works for the many kids shows it's developing-all slated for release in early 2001-according to Ross Franks, ... program where animal puppets are the students of an old dinosaur professor. The dino-prof uses his magic book of stories from...
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www.kidscreen.com/articles/magazine/20000801/29617.html
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Nautilus pompilius can grow to a length of about 20 cm. The smooth thin shell spirals exogastrically, or above the animal, and has a pattern of brown and white. The animal creates chambers that increase in size as it moves to occupy the outermost chamber of its shell.
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animaldiversity.ummz.umich.edu/site/accounts/informatio...
animaldiversity.ummz.umich.edu/site/accounts/information/Nautilus_pompilius.html
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Nautilus pompilius ... According to fossil records, the ancient nautilus have survived unchanged for about 550 million years. As they grow, they add narrow chambers to the outer layers of their hard shell in a spiral form. They float or sink by directing gas (generally oxygen, argon or nitrogen) in varying amounts into...
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www.denverzoo.org/animals/pacificOceanNautilus.asp
www.denverzoo.org/animals/pacificOceanNautilus.asp
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This provides the animal with buoyancy. The nautilus can regulate its density by injecting or removing fluid into these chambers through a system of tubes. This strong shell also provides protection for the animal's soft body.
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www.seasky.org/deep-sea/chambered-nautilus.html
www.seasky.org/deep-sea/chambered-nautilus.html
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