Which epoch is associated with the rise of human civilization?

Which primitive man lived on Earth at the end of the $Pleistocene$ era?

The evolution of man was made possible primarily because our ape-like ancestors possessed:

Who were the first to create cave paintings?

The ancestors of man who used hides to protect their body were

During the evolution of man, many changes have taken place in his ancestral characters. Which one of the following is an insignificant change?