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[2] [3] Estimates on the number of Earth's current species range from 10 million to 14 million, [4] with about 1.2 million or 14% documented, the rest not yet described. [5] However, a 2016 report estimates an additional 1 trillion microbial species, with only 0.001% described.
Stone tools found at the Shangchen site in China and dated to 2.12 million years ago are considered the earliest known evidence of hominins outside Africa, surpassing Dmanisi hominins found in Georgia by 300,000 years, although whether these hominins were an early species in the genus Homo or another hominin species is unknown. [37
Reconstruction of Turkana Boy who lived 1.5 to 1.6 million years ago. ... or 'earth'. [222] Linnaeus and ... in the 1970s as different species of humans were ...
Modern humans, 200,000 to 300,000 years ago, were really adaptable, spanning from the Arctic tundra to the Sahara desert. Other things are still unknown about Homo erectus , like if they had a ...
Around 1.8 million years ago, Homo erectus migrated out of Africa via the Levantine corridor and Horn of Africa to Eurasia. This migration has been proposed as being related to the operation of the Saharan pump, around 1.9 million years ago. [citation needed] Homo erectus dispersed throughout most of the Old World, reaching as far as Southeast ...
Before Homo sapiens, Homo erectus had already spread throughout Africa and non-Arctic Eurasia by about one million years ago. The oldest known evidence for anatomically modern humans (as of 2017) are fossils found at Jebel Irhoud, Morocco, dated about 360,000 years old.
Paleontologists are revealing early humans actually co-existed with a human-like species some 300,00 years ago. ... the earth over 2 million years ago, but now it is believed they may have roamed ...
The chimpanzee–human divergence likely took place around 10 to 7 million years ago. [1] The list of fossils begins with Graecopithecus, dated some 7.2 million years ago, which may or may not still be ancestral to both the human and the chimpanzee lineage.