Diatom (Biddulphia sp.), light micrograph. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species. They have mineralized cell walls (frustules) that contain silica and provide protection and support. The diatoms form an important part of the plankton at the base of the marine and freshwater food chains. Magnification: x900 when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Fox, Frank |
Taille de l’image : | 7952 px × 5303 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |