Snail shell. Coloured scanning electron micrograph (SEM) of a snail's shell (order Pulmonata). The shell is composed of calcium salts secreted by the snail,and provides shelter and protection. Magnification: x3 when printed 10 cm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 3075 px × 2861 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |