The Evolution of Man

[parvez]

I have a question why did man evolve to be a two legged animal? Though it has some disadvantages like pumping blood to brain becomes difficult due to gravity and also his upper body does not get as much exercised as lower body due to less exercise or less movement of upper body due to walking on two legs. Despite this disadvantage how did he evolve intelligent than other animals?
Perhaps the answer may be to intimidate the predators that he is a bigger animal and hence escaping from it. But how did he evolve to be intelligent is a big question. Reply