HOW DID OUR ENVIRONMENT PROTECT HUMAN PREHISTORIC SETTLEMENTS AGAINST NATURAL ELEMENTS AND PREDATORS?
Homo erectus, the first human to walk upright and use tools, appeared on Earth roughly 3.5 million years ago (Ponting). Both the “Homo erectus” and “Homo sapiens” ancestries and subsequent “Homo sapiens” population lived in tiny, nomadic bands and diverged from one another around 100,000 years ago.