We don't know.
Birds do it, some dinosaurs did it.
Yes, monkeys can walk with two feet but normally they walk with four feet.
most primates CAN walk on two feet, but choose not to.
No, kolas can not walk on two feet only adult kolas could. If the grown up mother has a baby then she or he could walk on there feet.
your feet are the two things at the bottom of your body you walk with them e.g these are your feet.
People need something that we can walk on, and the way our body is shaped proves that it is only right to walk on our feet.
Allosaurus walked on two feet.
Bipedalism is the ability to walk or move with two feet.
All birds have 2 feet so they can walk. So they can walk and swim properly!
beacuase those are their feet
Biped
sometimes
a human. first they crawl (hand and knees = 4) then they walk upright (2 feet) then they use a cane (2 feet + cane)