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Echinoidea
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A page from the Laboratory of Embryonic Gene Expression, included here for three beautiful photographs.
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Home Page The major focus of research in our laboratory is on gene networks that control development and their evolution. Our areas of research include the transcriptional mechanisms by which specification of embryonic blastomeres occurs early in development; structure/function relationships in developmental...Information about sea urchins, such as how they live, feed, and reproduce. There is also an alphabetic listing of their taxa. From The Natural History Museum, London.
http://www.nhm.ac.uk/palaeontology/echinoids/
Laboratory modules using sea urchin eggs to explore fertilization and development.
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Sea Urchin Embryology The drama of fertilization and development is explored by laboratory modules using sea urchin eggs and a web site developed by teachers and Stanford University researchers. Over 275 web pages intended for high school biology teachers. Also appropriate for junior...Information on purple sea urchins and sea urchin fertilization.
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The Sea Urchin EXTRAVAGANZA! It might take a lil bit more time to load. But it's well worth the wait Yes, Sea Urchins How do you like the color scheme? Don't make fun. A combination of these colors got me faaar with my sea...Personal marine biology site with photomicrographs of urchin (Paracentrotus lividus) development.
http://www.chez.com/biologypassion/horia/urchin_intro.htm
Brief description and photographs of sea urchins.
http://www.old.umassd.edu/Public...e/Kamaral/thesis/SeaUrchins.html
Photos of Echinoidea from the Indo-Pacific, with text about behavior, habitat, and characteristics.
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Sea urchins (Echinoderms Starfish Photos Seeigel (Stachelhäuter) Back to the main page with photos of echinoderms Text about echinoderms Zurck zur Hauptseite mit Fotos von Stachelhutern Informationen ber Seeigel To look at the enlarged photo please click on the thumb nail photo. Some photos have explanatory texts....The anatomy of a sand dollar.
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Mellita Laboratory Exercise Mellita quinquiesperforata Sand Dollar 25feb2005 Copyright 2001 by Richard Fox Lander University Preface This is an exercise from Invertebrate Anatomy OnLine, an Internet laboratory manual for courses in Invertebrate Zoology. Additional exercises can be accessed by clicking on the link....