Freshwater Diatom, Sem
by Asa Thoresen
Title
Freshwater Diatom, Sem
Artist
Asa Thoresen
Medium
Photograph - Photograph
Description
Color enhanced scanning electron micrography of a freshwater Diatom. 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. Magnification 4000x
Uploaded
July 7th, 2014
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