Which of the following is a vestigial tooth found in humans?

They probably lived in East African grasslands $2$ million years ago $(MYA)$. Who are they?

Early African man was discovered in $1948$ by Leakey. It was:

Which primitive man used stones to produce fire?

$A$: 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.

Which one of the following is considered the most highly evolved among the given hominids?