Who were the first to create cave paintings?

Among the human ancestors,whose brain capacity was more than $1000$ $cc$?

The ancestor of man,who first stood erect,was

Which fossil man has been known from Shivalik hills in India?

Assertion: The earliest fossil form in the phylogeny of horse is $Eohippus$.
Reason: $Eohippus$ lived during the early $Pliocene$ epoch.

Their brain capacity was $650 – 800$ $CC$.