The idea that Adam and Eve were the first humans and that they lived around 6,000 years ago is a belief rooted in certain religious traditions, particularly in some interpretations of Abrahamic religions, such as certain forms of Christianity. This belief is based on the religious texts and narratives found in these traditions, such as the Bible.
However, from a scientific perspective, the notion of Adam and Eve as the first and sole human ancestors of all humanity conflicts with the overwhelming evidence from various fields of science, including genetics, paleontology, archaeology, and anthropology.
According to scientific evidence, modern humans (Homo sapiens) originated in Africa around 200,000 years ago. Fossil and genetic evidence shows a long history of human ancestors that spans millions of years, including various species of hominins (ancestral human-like creatures) such as Homo habilis, Homo erectus, and Neanderthals, among others.
The fossil record and genetic studies indicate that modern humans share a common ancestry with these ancient hominin species, and the emergence of Homo sapiens involved a gradual evolutionary process.
Furthermore, the concept of a single human ancestral pair like Adam and Eve is inconsistent with the genetic diversity observed in present-day human populations. Human genetic diversity is a result of populations intermixing, migration, and adaptation over tens of thousands of years.
It's essential to differentiate between religious beliefs and scientific understanding. Many religious believers interpret the stories of Adam and Eve allegorically or metaphorically rather than as literal historical accounts. Scientific evidence supports the idea of human evolution and a complex history of human origins, with no evidence for a single pair of human ancestors at the root of the human population.