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Diatom - Arachnoidiscus Ehrenberi
Eric V. Grave
Photograph - Photograph
Diatom - Arachnoidiscus ehrenbergi. Diatoms are single-celled photosynthetic algae, of which there are about 100,000 species. They have mineralized cell walls (frustules) that contain silica and provide protection and support. The diatoms form an important part of the plankton at the base of the marine and freshwater food chains.
March 6th, 2013
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