Postingan

Menampilkan postingan dari Maret, 2024

Modern hunter-gatherers provide our best guess

Gambar
 Kekinian hunter-gatherers provide our best guess at how early humans and Neanderthals lived. People like the Namibia's Khoisan and Tanzania's Hadzabe gather familyes into wandering bands of ten to 60 people. The bands combine into a loosely organised tribe of a thousand people or more. King88bet Login Alternatif These tribes lack hierachical structures, but they're linked by shared language and agamaon, marriages, kinships and friendships. Neanderthal societies may have been similar but with one crucial difference: smaller social kelompoks. Tight-knit tribes What points to this is evidence that Neanderthals had lower genetic diversity. King88bet slot login In small populations, genes are easily lost. If one pribadi in ten carries a gene for curly hair, then in a ten-person band, one death could remove the gene from the population. In a band of fifty, five people would carry the gene - multiple backup copies. So over time, small kelompoks tend to lose genetic variation, end