Diatoms. Coloured scanning electron micrograph (SEM) of fresh water centric diatom frustules (skeleton), Diatoms are a type of algae (Chromophyta, Bacillariophyceae). They consist of two valves, made of silica (hydrated silicon dioxide), which fit together like the top and bottom of a box. The exterior of the valves are often highly decorative, with pores, spikes or other types of projections. Diatoms are important alga in the fresh water food chain. Magnification: x 500 when printed at 10cm wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 4572 px × 4528 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |