Answering the First Question
Were there no humans before 6,000 years ago?
Scientists have found fossils of skulls of Homo sapiens dated to be 80,000 years old. This means that modern humans have existed for at least 80,000 years.
This evidence rejects the prediction that there were no humans before 6,000 years ago.
Dr. White Shows an 80,000-Year-Old Skull
Next, let's explore the second question—has the human lineage remained unchanged?