Pond snail embryos. Light micrograph of developing pond snail embryos (Lymnaea stagnalis). The embryos are contained in egg sacs inside a protective jelly-like covering. They have developed a shell,muscular foot and tentacles with eyes. When the snails make their way out of the gelatinous covering,they will feed on the algae attached to the jelly | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wheeler, Dr. Keith |
Taille de l’image : | 4368 px × 2912 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |