What is the scientific name of modern man?

Mammal-like reptiles originated during the . . . . . . period.

The first human ancestor whose fossils were discovered is:

In human evolution,which of the following periods is the most recent?

About $P$ million years ago,human-like primates walked in eastern Africa. They were probably not taller than $Q$ feet.
$Q$ is:

The cranial capacity of modern man is