3 ms·
The size of the woman's pelvis actually restricts further evolutionary brain growth. Babies being unable to be born because of too big heads fits the very defin
by samus 5y ago
The size of the woman's pelvis actually restricts further evolutionary brain growth. Babies being unable to be born because of too big heads fits the very definition of an evolutionary deadend. Marsupials and eggs don't have that restriction (pun intended).
- hypertele-Xii 5y agoFortunately we can now bypass this dead end with cesarean section.