Sentences with phrase «modern chimpanzees»

This level of divergence indicated that humans must have acquired HSV - 2 from an ancestor of modern chimpanzees about 1.6 million years ago, prior to the rise of modern humans roughly 200,000 years ago.

They estimate that bonobos, which live south of the Congo River, split off from the ancestors of modern chimpanzees about 800,000 years ago.

Groove patterns on the surface of modern chimpanzee brains throw a monkey wrench into proposals that some ancient southern African hominids evolved humanlike brain characteristics, a new study suggests.

Look at the feet with the big toe spread away from the smaller toes exactly like a modern chimpanzee, not like people.

And there is a good chance that it could be a much older heritage, dating beyond the split 6 million years ago between the lines leading to modern chimpanzees and to humans.

The scientists also point out that this pattern of delayed development appears to have increased over evolutionary time, with our hominid ancestors presumably slowly gaining larger, more plastic brains relative to modern chimpanzees.

Named Rudapithecus (the discovery was made near the village of Rudabánya, and pithecus is from the Greek for «ape»), the animal had a body and brain about the same size as those of a modern chimpanzee.

The panin line continued on to the modern chimpanzee, and the hominid line evolved through a number of forms until modern humans emerged on the scene.

It's cranial capacity was the smallest ever recorded in an adult early human, and at 410 cc it was not much larger than that of a modern chimpanzee.

Now we're back to 6.4 million years ago, and that's about when we shared a common ancestor with the modern chimpanzees and bonobos.