Among these organs, the pronephros was taken as an outstanding illustration for the assertion that man is “a veritable walking museum of antiquities.”
New finds in genetics and neuroscience both shed light and deepen the puzzle of the almost “alien” species.
“We don’t know what this structure does, so it probably does nothing. Remember, evolution produces a lot of non-functional debris.”
The breaking of the conserved number of cervical vertebrae is hard to reconcile with an unguided evolutionary mechanism.
If an asteroid impact wiped out the dinosaurs as believed by the scientific consensus, its effects on evolution seem strained and inconsistent.