An informative site featuring a modest collection of original underwater photos from my travels in the Philippine Islands Welcome!.......over 210 full-size underwater images in numerous galleries, in a new domain with a search engine and room for growth........click on one of the above samples for a preview.........see some short sea dragon video clips in Gallery IV.........my latest project has ...
This is a site devoted to the interaction of a leading lab at Stanford University, under Dr. David Epel, with high school science teachers.
www.stanford.edu/group/Urchin
Echinoderm Printouts: These spiny-skinned invertebrates have five-fold symmetry and live on the ocean floor.
www.enchantedlearning.com/subjects/invertebrates/echinoderm
Echinodermata: Morphology Echinoderms have been compared to living, moving castles. Castles are made of interlocking blocks, with a single main entrance and numerous slit windows for air and for defense. Echinoderm skeletons are made up of interlocking calcium carbonate plates and spines. This skeleton is enclosed by the epidermis and is thus an endoskeleton. In some, such as sea urchins, the ...
www.ucmp.berkeley.edu/echinodermata/echinomm.html
Page 33 of 38 Natural Perspective The Animal Kingdom: Starfish (Asteroidea) (Last modified: 22 July 1997) If you've ever had the pleasure to go tide pooling then you already know that Starfish are the most popular creatures there -- especially among the younger crowd. Tide pool excursions are a wonderful experience: the sound of surf accompanied by the refreshing sea breeze are reason enough to ...
www.perspective.com/nature/animalia/starfish.html
Echinoderms (starfish, brittle star, sea urchin, feather star, sea cucumber) ...
www.starfish.ch/reef/echinoderms.html
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www.chez.com/biologypassion/horia