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Digimorph - Strongylocentrotus purpuratus (purple sea urchin) - English
URL: http://digimorph.org/specimens/Strongylocentrotus_purpuratus/

The image.

[ eng ]

The Sea Urchin - English
URL: http://www.geocities.com/thepoetdog

відбирається фільтрами: Організації, Довідники і покажчики

Contains useful information on sea urchin fertilization experimentation methods. Lots of information on purple sea urchins and sea urchin fertilization.

[ eng ]

Sea Urchin Embryo - English
URL: http://www.its.caltech.edu/~mirsky/

відбирається фільтрами: Організації, Публікації

From the Laboratory of Embryonic Gene Expression, included here for three beautiful photographs.

[ eng ]

Sea Urchin - English
URL: http://encarta.msn.com/index/conciseindex/22/022C5000.htm

відбирається фільтрами: Освіта, Довідники і покажчики

Common name for approximately 700 species of echinoderms having rigid, spherical shells made up of closely fitting bony plates.

[ eng ]

Sea urchin embryology - English
URL: http://www.stanford.edu/group/Urchin/

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.

[ eng ]