London, United Kingdom
Marine Diatoms, Sem
Photograph - Photograph
Diatom algae. Coloured scanning electron micrograph (SEM) of marine diatom algae. Diatoms are single-celled algae that produce a crystalline cell wall called a frustule. Diatoms form an important part of the plankton at the base of the marine food chain.
May 2nd, 2013
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