$Homo \text{ } habilis$ is also called . . . . . . .

Given below are two statements:
Statement $I$: Modern $Homo$ $sapiens$ arose in Australia and moved across continents.
Statement $II$: $Homo$ $sapiens$ arose around $75000$ to $10000$ years ago.
In the light of the above statements, choose the most appropriate answer from the options given below:

An arched palate and uniform-sized teeth were found in which of the following ancestors?

Which of the following was most similar to modern man?

Which of the following has the lowest cranial capacity?

$A$: 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.