The scientific name of modern man is ........

Which one of the following is correct regarding special features of Neanderthal man?
$i$. He used hide to cover his body.
$ii$. Its fossil was first found in Germany.
$iii$. He had semi-erect posture.
$iv$. He existed during Miocene epoch.
$v$. He constructed flint tools.

Choose the incorrect sentence.

Which one of the following characters differentiates man from other mammals?

The ancestor of man,who first stood erect,was

$A$: The brain reaches between $75$ and $80$ percent of its adult size within the first two years,and its full size at the age of $6$ years.
$R$: From an evolutionary point of view,the human gestation period is believed to be shortening.