The Discover Secure Online Account Numbers program is once again set to be discontinued while the company reaffirms its $0 fraud liability policy on unauthorized charges.
If your referring the dawn of man, (first upright walking animals  with two legs and two arms), as caveman then the closest ancestor  would be the time relevant species of mâ¦onkey because without  knowing what the missing link between the two is we wouldn't know  that answer.
Archaea are interesting organisms in that they have genes that are similar to both bacteria and eukaryotes. Phylogenetically speaking, archaea and bacteria are thought to have developed separately from a common ancestor. Eukaryotes are believed to have branched off from archaeans millions of years later.