Nitzschia sigmoidea and gomphonema algae, polarised light micrograph. These are types of diatoms, single-celled photosynthetic algae, of which there are about 100, 000 species. They have mineralised cell walls that contain silica and provide protection and support. They form an important part of the plankton at the base of the marine and freshwater food chains. Magnification: x186 when printed 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mis, Marek |
Bildgröße: | 5860 px × 2986 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |