Diatoms. Coloured scanning electron micrograph (SEM) of diatoms (class Bacillariophyceae). These are aquatic unicellular algae that inhabit fresh water lakes and rivers. They have a mineralised cell wall (frustule) divided into two halves. The frustule contains silica and provides protection and support. Magnification: x175 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 2925 px × 3658 px |
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