18th Century engraving of the eye
Numéro d’image : 11598472
| Darwin ch. 6 Origin of Species quote "To suppose that the eye with all its inimitable contrivances for adjusting the focus to different distances,for admitting different amounts of light,and for the correction of spherical and chromatic aberration,could have been formed by natural selection,seems,I freely confess,absurd in the highest degree. Yet reason tells me,that if numerous gradations from a perfect and complex eye to one very imperfect and simple,each grade being useful to its possessor,can be shown to exist; if further,the eye does vary ever so slightly,and the variations be inherited (); and if any variation or modification in the organ be ever useful to an animal under changing conditions of life,then the difficulty of believing that a perfect and complex eye could be formed by natural selection,though insuperable by our imagination,can hardly be considered real" | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Stewart, Paul D. |
| Taille de l’image : | 3413 px × 5120 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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