For example even puppies will understand to crawl over and latch to mother, primates come out clinging to mother, horses and goats can walk, yet babies have to be taken care of for so long and are helpless!
In: 23
If humans were born as fully developed as other animals, the human head would be too big to fit through the birth canal of the mother. So humans are born really underdeveloped compared to other mammals. So for humans to be born with a more complete form, either we would need a smaller brain, or female hips would need to be much much wider.
The smaller brain route is what other apes stuck with.
Latest Answers