Fossilised whale bone. Close-up of a fossilised dorsal vertebra (backbone) from a whale,showing the spongy (spongiose) structure. This structure maintains strength while reducing weight,and is characteristic for the bone makeup of most animals,including mammals,birds,and larger fish | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5125 px × 3417 px |
Model Release : | Non requis |
Restrictions : | - |