Mammal embryos, 1905. Dog, bat, hare and human embryos at various stages of development. Illustration from Ernst Haeckel's book; one of the first to sketch the genealogical tree of animals, Haeckel explained that the life history of the individual is a recapitulation of its historic evolution. Plate XIII from The Evolution of Man by Ernst Haeckel. | |
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Crédit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Taille de l’image : | 1914 px × 3282 px |
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