Human Evolution in East African Rift Valley

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Questions and Answers

What is the estimated age of the fossil named Chororapithecus found in Anchar?

  • 3.6 million years B.P.
  • 5.8-5.2 million years BP
  • 4.2 million B.P.
  • 10 million B.P. (correct)

Where was the fossil of Australopithecus afarensis, Selam, discovered?

  • Belohdelie in Middle Awash
  • Hadar in Afar
  • Dikika, Mille, Afar (correct)
  • Aramis in Afar

What is the estimated weight of the fossil Lucy/Dinkinesh?

  • 40kg
  • 20kg
  • 30kg (correct)
  • 50kg

Where was the fossil of Ardipithicus ramidus kadabba discovered?

<p>Middle Awash (B)</p> Signup and view all the answers

What is the height of the fossil of Lucy/Dinkinesh?

<p>1.07 meters (C)</p> Signup and view all the answers

In which year was the fossil of Ardipithicus ramidus discovered?

<p>1994 (A)</p> Signup and view all the answers

What is the significance of the Lower Omo and Middle Awash River valleys in the context of human evolution?

<p>They have provided key evidences for biological and cultural evolution (A)</p> Signup and view all the answers

What is the approximate age range of the Ardipithicus ramidus kadabba fossil?

<p>5.8-5.2 million years BP (C)</p> Signup and view all the answers

Which of the following fossils is estimated to be around 3.3 million years old?

<p>Selam (C)</p> Signup and view all the answers

What is the characteristic of the Australopithecus afarensis, Lucy/Dinkinesh fossil?

<p>It has 40% complete body parts and weighs 30kg (A)</p> Signup and view all the answers

In which region was the fossil of Chororapithecus discovered?

<p>West Hararghe (B)</p> Signup and view all the answers

What is the significance of the Afar region in terms of human evolution?

<p>It is home to various species of early humans (B)</p> Signup and view all the answers

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Study Notes

Archeological Discoveries in East Africa

  • East African Rift Valley is considered the cradle of humanity based on archeological evidence.
  • The Lower Omo and Middle Awash River valleys in Ethiopia have yielded significant discoveries related to biological and cultural evolution.

Fossil Discoveries in Ethiopia

  • In 2007, a 10 million-year-old fossil, Chororapithecus, was discovered in Anchar, West Hararghe.
  • Ardipithecus ramidus kadabba (5.8-5.2 million years old) was found in Middle Awash.
  • Ardipithecus ramidus (4.2 million years old) was discovered in Aramis, Afar, in 1994.
  • Fossils of other Australopithecines were uncovered at Belohdelie (3.6 million years old) in Middle Awash.

Significant Australopithecus Afarensis Discoveries

  • A 3-year-old child's fossil, Australopithecus afarensis, named Selam, was discovered in Dikika, Mille, Afar, in 2000, dating back to 3.3 million years.
  • Australopithecus afarensis (Lucy/Dinkinesh) was discovered in Hadar, Afar, in 1974, with a 40% complete body, weighing 30kg, and standing 1.07 meters tall, resembling a bipedal female.

Archeological Discoveries in East Africa

  • East African Rift Valley is considered the cradle of humanity based on archeological evidence.
  • The Lower Omo and Middle Awash River valleys in Ethiopia have yielded significant discoveries related to biological and cultural evolution.

Fossil Discoveries in Ethiopia

  • In 2007, a 10 million-year-old fossil, Chororapithecus, was discovered in Anchar, West Hararghe.
  • Ardipithecus ramidus kadabba (5.8-5.2 million years old) was found in Middle Awash.
  • Ardipithecus ramidus (4.2 million years old) was discovered in Aramis, Afar, in 1994.
  • Fossils of other Australopithecines were uncovered at Belohdelie (3.6 million years old) in Middle Awash.

Significant Australopithecus Afarensis Discoveries

  • A 3-year-old child's fossil, Australopithecus afarensis, named Selam, was discovered in Dikika, Mille, Afar, in 2000, dating back to 3.3 million years.
  • Australopithecus afarensis (Lucy/Dinkinesh) was discovered in Hadar, Afar, in 1974, with a 40% complete body, weighing 30kg, and standing 1.07 meters tall, resembling a bipedal female.

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