We’re born not fully developed.
Many other animals are similarly helpless when born, but they’re usually born sharing the womb with many other siblings.
Humans have to be born underdeveloped, despite usually being only born one at a time, because of the human skeleton’s adaptation to walking on two legs.
The human hip bones wouldn’t allow it to walk easily on two legs if it was wide enough to give birth to something bigger, it’s already straining as is.
Also a pregnant mother would not be able to keep up with a nomadic tribe if she was carrying a much heavier load.
Latest Answers