Quote Originally Posted by Morning Star View Post
The time line does not support this hypothesis.

Well, except maybe for Valerie Jarrett if you believe Rosanne.
That is true regarding the timeline. The common ancestor between chimpanzees and humans lived at least 4 million years ago and up to 13 million years ago but Lucy's

fossils are 3.2 million years old. Lucy could be called a bipedal ape but the significance in this specimen is the fact that bipedalism evolved before the brain evolved.