Among these organs, the pronephros was taken as an outstanding illustration for the assertion that man is “a veritable walking museum of antiquities.”
The origin of the ingeniously intricate long necks in sauropod dinosaurs has been postulated to have arisen more than 35 times independently.
Although they are not the handsomest or most graceful creatures in the animal kingdom, the Rhinocerotoidea (superfamily) are a fascinating group for research.
All orders and families of the angiosperms appear abruptly in the fossil record (the same for most lower systematic categories).
Natural selection can explain “the survival of the fittest but not the arrival of the fittest.”