Sponge spicules. Coloured scanning electron micrograph (SEM) of spicules from sponges (order Porifera). A sponge is a primitive aquatic organism that filters food from the water. It is a loose aggregation of cells supported by its spicules,needles composed of silica | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 3590 px × 2436 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |