Andrew langwell buchmann 0 water bear

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Andrew langwell buchmann 0 water bear

  1. 1. Large carnivorous water bearMilnesium Tardigradum<br />Andrew Langwell<br />0 Period Biology<br />Buchman<br />
  2. 2. Statisitics<br />The carnivorous water bear is about 0.5-1 millimeters in size<br />They are reddish or brownish in color<br />Through cryptobiosis tardigrades can survive extreme radiation, lack of oxygen, dehydration, extreme temperatures, and high and low pressures. <br />
  3. 3. Habitat<br />The carnivorous water bear is most commonly found in mosses and lichen but can be found all over the world from the Himilayas to the deep depths of the ocean.<br />
  4. 4. Food Source<br />The carnivorous water bear preys on round worms, rotifers and other small water bears.<br /><ul><li>Round worms are attacked toward the middle of their body and their insides are sucked out, or if the round worm is smaller they are swallowed whole.</li></li></ul><li>Reporduction<br />Most water bears reproduce through self-fertilization.<br />Eggs are also found on the shed cuticle of water bears.<br />Eggs usually hatch <br /> in 30-40 days.<br />
  5. 5. Human Interaction<br />Water bears have been used in soil to exterminate round worms.<br />Humans took water bears into outer space to test if they could survive the vacuum of space.<br />
  6. 6. Interseting Facts<br />Water bears can survive the vacuum of space, dehydration and don’t need oxygen.<br /><ul><li>They can also survive up to 570,000 roentgens which is 1000x the amount of radioactivity humans can survive.</li></li></ul><li>Citations<br />Kristensen, Reinhardt Møbjerg, and Martin Vinther Sørensen. "Tardigrada (Water Bears)." Grzimek's Animal Life Encyclopedia. Ed. Michael Hutchins, et al. 2nd ed. Vol. 2: Protostomes. Detroit: Gale, 2004. 115-123. Gale Virtual Reference Library. Web. 28 Apr. 2011.<br />http://www.bryoecol.mtu.edu/chapters_VOL2/5-2Tardigrades_Reproduction_and_Food.pdf<br />Photo Credits<br />http://4.bp.blogspot.com/_Uw8lvivtudw/SM-jlrNA2OI/AAAAAAAAAGA/JiALFx6zBk4/s320/waterbear+-2.jpg <br />http://www.sciencephoto.com/image/132606/350wm/C0069587-Water_bear_egg-SPL.jpg<br />http://www.trekmovie.com/images/sciencesaturday/0711waterbear.jpg<br />

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