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kavita123
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 11:57 am
Other interpretations are that they were erotic art, or self-depictions by early female artists looking down on their bodies.
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Aditya992000
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on Wed Jan 16, 2019 11:57 am
According to genetic and fossil evidence, older versions of Homo sapiens evolved only in Africa, between 200,000 and 100,000 years ago, with members of one branch leaving Africa by 60,000 years ago and over time replacing earlier human populations such as Neanderthals and Homo erectus.
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kavita123
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on Wed Jan 16, 2019 11:57 am
Settling In

The earliest evidence of modern humans in Europe is in Southern Italy, sometime between 45,000 to 43,000 Before Present. Between 40,000 to 30,000 BP, the first flutes appear in Germany, Japan, and Hong Kong become settled, and cave paintings in Spain show up.
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Aditya992000
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on Wed Jan 16, 2019 11:57 am
The recent single origin of modern humans in East Africa is the near-consensus position held within the scientific community. However, recent sequencing of the full Neanderthal genome suggests Neanderthals and some modern humans share some ancient genetic lineages.
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kavita123
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on Wed Jan 16, 2019 11:58 am
Protein in the Bones
One of the most important food discoveries by prehistoric humans was bone marrow. There isn’t too much to be found when relying on scavenging, but in finding marrow they hit the jackpot, as this became their vital source of protein for a period of time.
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Aditya992000
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on Wed Jan 16, 2019 11:58 am
The authors of the study suggest that their findings are consistent with Neanderthal admixture of up to 4% in some populations. But the study also suggests that there may be other reasons why humans and Neanderthals share ancient genetic lineages.
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kavita123
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on Wed Jan 16, 2019 11:58 am
Healing Clays
Still used by aboriginal people around the world today, applying clay to open wounds was among the first medicines used by humans
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Aditya992000
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on Wed Jan 16, 2019 11:58 am
In August 2012, a study by scientists at the University of Cambridge has questioned this conclusion, hypothesising instead that the DNA overlap is a remnant of a common ancestor of both Neanderthals and modern humans.
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kavita123
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 11:58 am
As other animals also use clays to treat external injuries, it is believed early humans observed the behavior and applied it to themselves.
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Aditya992000
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on Wed Jan 16, 2019 11:58 am
The time frame for the evolution of the genus Homo out of the last common ancestor is roughly 10 to 2 million years ago, that of H. sapiens out of Homo erectus roughly 1.8 to 0.2 million years ago.
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kavita123
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on Wed Jan 16, 2019 11:58 am
Genetic Eve
All humans today can be traced back to one female ancestor from about 150,000 years ago. Known as the “Mitochondrial Eve,” she is the most recent common matrilineal ancestor for modern humans, meaning that everyone on earth today is her direct descendent.
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Aditya992000
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 11:58 am
Scientific study of human evolution is mostly concerned with the development of the genus Homo, but usually involves studying other hominids and hominines as well, such as Australopithecus. "Modern humans" are defined as the Homo sapiens species, of which the only living subspecies is known as Homo sapiens sapiens.
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kavita123
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on Wed Jan 16, 2019 11:58 am
Blue Eyed Folk
The oldest evidence we have of someone with blue eyes dates back to only 7,000 to 8,000 years ago. Discovered in Northwest Spain, the blue eyes were paired with a dark skin tone, similar to that of modern Sub-Saharan Africans.
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Aditya992000
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on Wed Jan 16, 2019 11:59 am
Homo sapiens idaltu, the other known subspecies, is now extinct. Homo neanderthalensis, which became extinct 30,000 years ago, has sometimes been classified as a subspecies, "Homo sapiens neanderthalensis"; genetic studies now suggest that the functional DNA of modern humans and Neanderthals diverged 500,000 years ago.
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kavita123
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on Wed Jan 16, 2019 11:59 am
While blue eyes are rare, they’re even rarer than you think, as analysis indicates that everyone with blue eyes today can be traced back to a single person who lived in that time period.
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Aditya992000
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on Wed Jan 16, 2019 11:59 am
Similarly, the discovered specimens of the Homo rhodesiensis species have been classified by some as a subspecies, but this classification is not widely accepted.
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kavita123
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on Wed Jan 16, 2019 11:59 am
The reason this trait survived is likely because this anomaly was seen as highly attractive and people with blue eyes were able to successfully reproduce.
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Aditya992000
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 11:59 am
Anatomically modern humans first appear in the fossil record in Africa about 195,000 years ago, and studies of molecular biology give evidence that the approximate time of divergence from the common ancestor of all modern human populations was 200,000 years ago.
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kavita123
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on Wed Jan 16, 2019 11:59 am
Food Exchange
The Columbian Exchange of food is known for fundamentally changing the way humans eat, as it spread various kinds of now common food (think tomatoes, chocolate) all over the globe and was responsible for the creation of modern cuisine.
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Aditya992000
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on Wed Jan 16, 2019 11:59 am
The broad study of African genetic diversity found the ǂKhomani San people had the greatest genetic diversity among the 113 distinct populations sampled, making them one of 14 "ancestral population clusters". The research also placed the origin of modern human migration in south-western Africa, near the coastal border of Namibia and Angola.
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kavita123
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on Wed Jan 16, 2019 11:59 am
However, before this exchange, there was an earlier one that changed the world and gave civilization a springboard to develop on: “the Trans-Eurasian Exchange.
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Aditya992000
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on Wed Jan 16, 2019 11:59 am
The forces of natural selection have continued to operate on human populations, with evidence that certain regions of the genome show selection in the past 15,000 years
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kavita123
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 12:00 pm
This exchange circulated different grains, such as millet, wheat, and barley, and molded what would become the Silk Road and dates back to the Bronze Age.
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badal
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 12:00 pm
Homo sapiens (‘wise man’), or modern humans, are the only species of human still around today. Despite having invented countless ways of labelling the world around us, we have so far done a surprisingly poor job at defining ourselves.
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Aditya992000
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What do you know about Homosapien ? - Page 2 Empty Re: What do you know about Homosapien ?

on Wed Jan 16, 2019 12:00 pm
Homo sapiens (Latin: "wise man") is the scientific name for the human species.
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