Diatom alga. Coloured scanning electron micrograph (SEM) of a Bacteriastrum delicatulum diatom. This is a marine planktonic unicellular alga. It has a mineralised cell wall (frustule) divided into two halves. The frustule contains silica and provides protection and support. The long "legs" of this diatom may aid floatation. Magnification: x200 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 1951 px × 1467 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |