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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wheeler, Dr. Keith |
Bildgröße: | 4368 px × 2912 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |