why at townsend 1,000,000,000 years ago were no humans leaving on this planet
The ansister of the human race lived at this time, they were called neanderthals, and thats is the animal that lived at this time. PS: dont google image a neanderthal, the are all naked... and men...
Humans didn't evolve until around 250,000 years ago. A billion years ago life was still primitive, advanced animals and plants had not yet evolved.