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This is a list of dates associated with the prehistoric peopling of the world (first known presence of Homo sapiens). The list is divided into four categories, Middle Paleolithic (before 50,000 years ago), Upper Paleolithic (50,000 to 12,500 years ago), Holocene (12,500 to 500 years ago) and Modern ( Age of Sail and modern exploration).
They evolved the first erythrocytes and thrombocytes. [16] 460-430 Ma A placoderm. The Placodermi were the first jawed fishes (Gnathostomata); their jaws evolved from the first gill/pharyngeal arch and they largely replaced their endoskeletal cartilage with bone and evolved pectoral and pelvic fins.
The fossils were dated close to 250,000 years ago, [233] and thus are not ancestral but contemporary with the first appearance of larger-brained anatomically modern humans. [ 234 ] The genetic revolution
At long irregular intervals, Earth's biosphere suffers a catastrophic die-off, a mass extinction, [9] often comprising an accumulation of smaller extinction events over a relatively brief period. [10] The first known mass extinction was the Great Oxidation Event 2.4 billion years ago, which killed most of the planet's obligate anaerobes.
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
The first seaborne human migrations were by the Austronesian peoples [dubious – discuss] originating from Taiwan known as the "Austronesian expansion". [144] Using advanced sailing technologies like catamarans , outrigger boats , and crab claw sails , they built the first sea-going ships and rapidly colonized Island Southeast Asia at around ...
Adam [c] is the name given in Genesis 1–5 to the first human. [4] Adam is the first human-being aware of God, and features as such in various belief systems (including Judaism, Christianity, Gnosticism and Islam). [5] According to Christianity, Adam sinned in the Garden of Eden by eating from the tree of the knowledge of good and evil. This ...
According to his hypothesis, if the Flood had been universal, the only survivors of it should have been white, so why were non-white people living on Earth? To answer this question, Payne suggested that the "Negro" is a pre-Adamic humam of the field (specifically, a higher order which was preserved on Noah's Ark. According to Payne, the Pre ...