Star sand foraminifera, light micrograph
Bildnummer 13620277
| Light micrograph of a shell (test) of a Baculogypsina spaerulata foraminifera, or sand star. Foraminifera are marine single-celled protozoa that construct and inhabit shells composed of several chambers. These are usually penetrated by pores through which the cellular content is extruded. The shells form an important component of chalk. In past geological ages, foraminifera were so numerous that their shells, largely composed of calcium carbonate, have formed immense fossil deposits, seen today as limestone. Magnification: 10x when printed at 10 centimetres across. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Guenther, Gerd |
| Bildgröße: | 5406 px × 5406 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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