Natural Affinities of animals. Guerin 1834 DICTIONNAIRE PITTORESQUE D' HISTOIRE NATURELLE. This image shows clearly how confusing the world of taxonomy was for elucidating natural relationships before evolutioary theory provided lines by ancestry. Hence we have the platypus connected to both the birds and reptiles by their egg laying,but also to the mammals by their lactation. We also have the whales connected to the mammals by their placental birth and endothermy,but also to the fishes because of their aquatic habitat choice | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Stewart, Paul D. |
Bildgröße: | 3256 px × 5368 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |