First person in world
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The world's most famous early human ancestor, the 3.2-million-year-old ape "Lucy" was the first Australopithecus afarensis skeleton ever found, though her remains are only about 40 percent complete.
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Scientists may never be able to pinpoint who was the first "person" on Earth - at best, they can tell us who were among the earliest humans that lived on Earth.
We are unique among life on this planet, and much remains a mystery as to how we evolved. Scientists are uncovering more and more ancient hominids all the time. (Hominids include all modern and extinct Great Apes, Gorillas, chimps, orangs and their immediate ancestors and humans.) They strive to find the earliest one, to help answer that most fundamental question in human evolution — what adaptations made us human, and in what order did they happen?
Two years ago, there was an announcement claiming that 'First human' was discovered in the Ledi region of Ethiopia. Scientists had unearthed the jawbone of what they claimed was one of the very first humans.
It was found that the 2.8 million-year-old specimen was older than what researchers had thought earlier about the first emergence of our kind. This new discovery pushes the human line back by 400,000 years or so from earlier estimates, very close to its likely pre-human ancestor. Scientists said the discovery makes a clear link between the earlier 3.2 million-year-old hominin discovered in the same area in 1974, called "Lucy" that belonged to a species known as Australopithecus Afarensis. (Hominin – Any species of early human that is more closely related to humans than chimpanzees). Scientists believe that Lucy's kind are the ones to have evolved into the very first primitive humans. It's mix of primitive and advanced features makes the Ledi jaw a good transitional form between Lucy and later humans.
Unfortunately there are hardly any fossil records between the period when Lucy and her kin were alive and the emergence of Homo Erectus - with its relatively large brain and humanlike body proportions two million years ago,- is not there. (Compared with modern Homo sapiens, who have only been around for the last 200,000 years, Homo erectus, or "upright man," lived from 2 million years ago till about 100,000 years ago, possibly even 50,000 years ago.)
Prior to the Ledi jaw, in 2013, scientists had made an extraordinary discovery – deep inside a South African cave system they found thousands of bones belonging to a new species of early human which was named Homo Naledi — and were eager to find out when this species lived and how it fits into our evolutionary tree. Eventually when the dating was done, it was found to be between 300,000 years and 200,000 years only. This was unlike anything researchers had discovered before. Although parts of its skeleton looked identical to our modern human anatomy, it had some features that were strikingly primitive – including a skull that was only slightly larger than that of a chimpanzee.
So, if Homo naledi lived 300,000 to 200,000 years ago that’s a remarkable discovery. It means that a species of human with some surprisingly primitive features – including a tiny skull and brain – survived into the relatively recent past. Conceivably, Homo naledi might even have met early members of our species, Homo sapiens. One could even speculate we had something to do with their going extinct.Scientists know that the first early humans appeared more than two million years ago.
The fossil record elsewhere in the world shows that Homo sapiens left Africa and gradually spread across Eurasia and arrived in areas already populated by ancient humans – species like the Neanderthals. Within a few thousand years of Homo sapiens arriving in these new areas, the indigenous species of ancient humans disappeared, apparently outcompeted by Homo sapiens.
At best, we can now say, while our ancestors have been around for about six million years, the modern form of humans only evolved about 200,000 years ago. Civilization as we know it is only about 6,000 years old, and industrialization started in the earnest only about two hundred years ago.
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We are unique among life on this planet, and much remains a mystery as to how we evolved. Scientists are uncovering more and more ancient hominids all the time. (Hominids include all modern and extinct Great Apes, Gorillas, chimps, orangs and their immediate ancestors and humans.) They strive to find the earliest one, to help answer that most fundamental question in human evolution — what adaptations made us human, and in what order did they happen?
Two years ago, there was an announcement claiming that 'First human' was discovered in the Ledi region of Ethiopia. Scientists had unearthed the jawbone of what they claimed was one of the very first humans.
It was found that the 2.8 million-year-old specimen was older than what researchers had thought earlier about the first emergence of our kind. This new discovery pushes the human line back by 400,000 years or so from earlier estimates, very close to its likely pre-human ancestor. Scientists said the discovery makes a clear link between the earlier 3.2 million-year-old hominin discovered in the same area in 1974, called "Lucy" that belonged to a species known as Australopithecus Afarensis. (Hominin – Any species of early human that is more closely related to humans than chimpanzees). Scientists believe that Lucy's kind are the ones to have evolved into the very first primitive humans. It's mix of primitive and advanced features makes the Ledi jaw a good transitional form between Lucy and later humans.
Unfortunately there are hardly any fossil records between the period when Lucy and her kin were alive and the emergence of Homo Erectus - with its relatively large brain and humanlike body proportions two million years ago,- is not there. (Compared with modern Homo sapiens, who have only been around for the last 200,000 years, Homo erectus, or "upright man," lived from 2 million years ago till about 100,000 years ago, possibly even 50,000 years ago.)
Prior to the Ledi jaw, in 2013, scientists had made an extraordinary discovery – deep inside a South African cave system they found thousands of bones belonging to a new species of early human which was named Homo Naledi — and were eager to find out when this species lived and how it fits into our evolutionary tree. Eventually when the dating was done, it was found to be between 300,000 years and 200,000 years only. This was unlike anything researchers had discovered before. Although parts of its skeleton looked identical to our modern human anatomy, it had some features that were strikingly primitive – including a skull that was only slightly larger than that of a chimpanzee.
So, if Homo naledi lived 300,000 to 200,000 years ago that’s a remarkable discovery. It means that a species of human with some surprisingly primitive features – including a tiny skull and brain – survived into the relatively recent past. Conceivably, Homo naledi might even have met early members of our species, Homo sapiens. One could even speculate we had something to do with their going extinct.Scientists know that the first early humans appeared more than two million years ago.
The fossil record elsewhere in the world shows that Homo sapiens left Africa and gradually spread across Eurasia and arrived in areas already populated by ancient humans – species like the Neanderthals. Within a few thousand years of Homo sapiens arriving in these new areas, the indigenous species of ancient humans disappeared, apparently outcompeted by Homo sapiens.
At best, we can now say, while our ancestors have been around for about six million years, the modern form of humans only evolved about 200,000 years ago. Civilization as we know it is only about 6,000 years old, and industrialization started in the earnest only about two hundred years ago.
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