Part of what's going on is that, as a result of our large brain, if we were fully formed, we wouldn't be able to pass through the birth canal.
As an evolutionary strategy, we're basically born at a stage of development that'd be considered a fetus for other animals in a lot of ways, and rely a lot more heavily on our parents as we continue our development.
As an evolutionary strategy, we're basically born at a stage of development that'd be considered a fetus for other animals in a lot of ways, and rely a lot more heavily on our parents as we continue our development.