A page from the Laboratory of Embryonic Gene Expression, included here for three beautiful photographs.
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.
Laboratory modules using sea urchin eggs to explore fertilization and development.
Information on purple sea urchins and sea urchin fertilization.
Photos of Echinoidea from the Indo-Pacific, with text about behavior, habitat, and characteristics.
The anatomy of a sand dollar.
Science /
Biology /
Developmental_Biology /
Model_Organisms /
Sea_Urchin
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