Foraminifera protozoan, light micrograph

Numéro d’image : 13404295
Foraminifera protozoan, light micrograph
Foraminifera. Light micrograph of fossil shells belonging to the order Foraminifera. It comprises unicellular protozoans whose shells form an important component of chalk and of many deep sea oozes. They live in the sea or salt-water lakes. Their shells are composed of several chambers which are usually penetrated by pores through which the cellular contents (protoplasm) are extruded. In previous geological ages they occurred in such enormous numbers that their shells have formed immense deposits. The shells shown here are made of calcium carbonate. Magnification: x150 at 35mm size.
Licence : Droits gérés
Crédit: Science Photo Library / Fox, Frank
Taille de l’image : 5616 px × 3744 px
Model Release : Non requis
Property Release : Non requis
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