London, United Kingdom
Diatom Assortment, Sems
Photograph - Photograph
Diatoms. Coloured scanning electron micrographs (SEMs) of a circular arrangement of various diatoms. Diatoms are planktonic unicellular algae. They have a mineralised cell wall (frustule) divided into two halves. The frustule contains silica and provides protection and support. Magnification unknown.
May 1st, 2013
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