Which of the following do scientists believe about Homo sapiens?

They were the earliest ancestors of modern human beings.

They were the earliest ancestors of modern human beings.

They arose in different parts of the world at the same time.

They arose in different parts of the world at the same time.

They arose in Africa and spread to the rest of the world.

They arose in Africa and spread to the rest of the world.

They once lived in Africa but were replaced by modern humans.

They once lived in Africa but were replaced by modern humans.

Scientists believe that Homo sapiens were the earliest ancestors of modern human beings, that they arose in Africa and spread to the rest of the world.

Scientists believe that Homo sapiens were the earliest ancestors of modern human beings. They arose in Africa and eventually spread to the rest of the world. It is also believed that they did not arise in different parts of the world at the same time. Additionally, there is no evidence to suggest that they once lived in Africa but were replaced by modern humans.