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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 1st, 2013
Viewed 20 Times - Last Visitor from Eskisehir, 26 - Turkey on 10/12/2014 at 1:30 PM
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