Hierarchy in the natural world is decided by power. And power means that you can get the most, never mind what the others think.<p>If a chimpanzee leave other to decide because the other is better in the task at hand and, then, they split the bounty, they have both the same hierarchy.<p>If a chimpanzee leave other in the group to decide how to do the task and then keep everything for himself, he is in the top of the hierarchy and the other is just working for him.<p>In the not so natural world too, by the way.