Planktonic diatom alga. Coloured scanning electron micrograph (SEM) of a Coscinodiscus sp. diatom alga (orange). A diatom is a planktonic unicellular alga that has silica in its cell wall (frustule). Diatoms are photosynthetic,and they are found in both marine and freshwater environments. The cell wall of a diatom is often intricately patterned,and has rows of tiny holes,known as striae | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 2913 px × 2184 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |