World SpeciesThe experts in the World as we know it think that we have little grasp of what what went before us.
I am apt to agree with them.
Some experts believe that at least 99% of all species that ever existed have left no trace as regards Fossils.
We are a high tech. World with very little information of what happened prior to when ???
sally1981 31-35, F 0 Feb 16, 2013