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Colonial Freshwater Diatoms
Science Photo Library
Photograph - Photograph
Light micrograph of assorted freshwater diatoms. The rectangular, broken filaments seen here are simple colonies. They consist of a chain of diatoms which have failed to separate following cell division, each glued to its neighbours by a mucilaginous material. Diatoms are a group of single-celled algae distinguished by their intricately-patterned glass-like cell wall or "frustule". The frustule consists of two halves, the valves, which fit together like the lid and bottom of a box. Diatoms form an important component of the marine & freshwater plankton. Magnification x400 at 35mm size.
March 7th, 2014
Viewed 11 Times - Last Visitor from New York, NY on 10/11/2014 at 1:41 PM
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