Grey Tree Frog (Hyla versicolor) embryos in gastrula stage, Dunwoody, Georgia. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Green, Richard J. |
Taille de l’image : | 4398 px × 2835 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |