From Homo Habilis to Homo Sapiens Sapiens

Answer question in one sentence.

Who is said to have first made tools like the hand-axe?

Give reasons for the following.

The Neanderthals became extinct.

Fill in the blank.

Homo is a Latin word which means ____________.

Fill in the blank.

The Neanderthals primarily lived in ____________.

Give reasons for the following.

Humans could produce subtle and varied types of sounds.

Read the clues given below and find the words hidden in the box.

Answer question in one sentence.

What is heredity?