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Diatom. Coloured scanning electron micrograph (SEM) of a diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, (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.
May 6th, 2013
Viewed 149 Times - Last Visitor from Prairie Grove, AR on 11/26/2014 at 10:28 AM
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