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Sia ? 4 years, 1 month ago
There have been two prevalent, contrasting theories as to how humans came up in various regions on Earth.
One of them is the Regional Continuity Model, which emphasizes that the archaic Homo sapiens in different regions gradually evolved at different rates into modern human beings, and hence there were variations in the appearance of the first human beings on different parts of the world.
This argument is based on the regional differences in the features of present-day humans.
The other is the Replacement Model, which visualizes the complete replacement of all older forms of humans with modern humans.
This view is supported by the evidence of the genetic and anatomic homogeniety amongst all modern humans. Historians who support this view argue that the enormous similarity is due to the common descent from a population that originated in a single region, which is Africa
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Preeti Dabral 4 years, 2 months ago
The Mesopotamian people transported their goods by carts, camels, boats off the river, and donkeys and horses. The good they transported where grain, textiles, and oil. They traded with Egypt, Phoenicians, and mostly between city-states. People got around by carts, camels, horse, boat, and donkey.
Posted by Bhoomi Sachdeva 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
The name ‘Mesopotamia’ is made up of two Greek words ‘mesos’ and ‘potamos’. The meaning of ‘mesos’ is middle and the meaning of ‘potamos’ is a river. It means that the meaning of Mesopotamia is the land between the rivers.
Posted by Anvesha Dixit 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
Beginning 135,000 years ago, tropical Africa experienced megadroughts which drove humans from the land and towards the sea shores, and forced them to cross over to other continents. ... Fossils of early Homo sapiens were found in Qafzeh and Es-Skhul Caves in Israel and have been dated 80,000 to 100,000 years ago.
Posted by Anvesha Dixit 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
All mammals (including humans) have the same distinctive features. These include: fur or hair growing from the skin. mammary glands that, in females, produce milk for feeding the young.
Posted by Anvesha Dixit 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
The conventional out-of-Africa story that took root in the 1980s describes a group (or groups) of Homo sapiens, some 150 to 1,000 people, crossing through the Middle East from northeast Africa before spreading throughout Eurasia around 60,000 years ago.
Posted by Anvesha Dixit 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
They were found at following sites:
(i) Kenya
(ii) Modjokerto
(iii) Sangiran
(iv) Java
Posted by Anvesha Dixit 4 years, 2 months ago
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Posted by Anvesha Dixit 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
Early human fossils and archeological remains offer the most important clues about this ancient past. These remains include bones, tools and any other evidence (such as footprints, evidence of hearths, or butchery marks on animal bones) left by earlier people.
Posted by Anvesha Dixit 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa.
Posted by Yashmit Segal 4 years, 2 months ago
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Preeti Dabral 4 years, 2 months ago
With the rise of the Turkish sultanates in the tenth and eleventh centuries, a third ethnic group was added to the Arabs and the Iranians. The Turks were nomadic tribes from the Central Asian steppes of Turkistan. The Turks gradually converted to Islam.
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