Foraminiferan, SEM
Numéro d’image : 12324771
| Foraminiferan shell. Coloured scanning electron micrograph (SEM) of the test (shell) of a formaminiferan. Foraminifera are single-celled protozoa which construct and inhabit shells composed of several chambers. These are usually penetrated by pores through which the cellular contents is extruded. The organisms live in the sea or salt-water lakes. The shells form an important component of chalk. In previous geological ages foraminifera occurred in such enormous numbers that their shells, largely of calcium carbonate, have formed immense fossil deposits seen today as limestone. Magnification: x80 at 10cm wide | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gschmeissner, Steve |
| Taille de l’image : | 4572 px × 4051 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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