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Changes In Evolution Of Man

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Running Head: CHANGES IN EVOLUTION OF MAN
Changes in Evolution of Man
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CHANGES IN EVOLUTION OF MAN 2
The homo Erectus was a human who almost walked upright. Australopithecus Afarensis
had the characteristics of both humans and apes. The homo Erectus was a biped runner; this can
be attributed to his anatomical features. Their head had a flatter face with a balanced head, allowing
balance, thus enabling them to run (Jeroen, & Bergh 2018). Homo erectus was equipped with a
ligament from the back of the skull to the thoracic vertebrae. This ligament offset arms and
shoulders, making it possible for them to run. Shorter arms in homo Erectus made it possible for
them to run by balancing the upper and lower body. The availability of ligaments and tendons in
homo Erectus allowed them to take significant strides, making running possible. Shoulders of
homo Erectus were separate from the head and neck. This allowed rotation of the body during
running with the head facing forward.
Australopithecus afarensis shoulders, unlike homo Erectus, were not decoupled. Their
shoulder joints were more oriented towards the skull. The cranial arrangement of the shoulders
made it impossible for Australopithecus to have a bipedal movement. Rotation of the body in a
different direction from the head was, therefore, unlikely to the Australopithecus. Natural selection
played an essential role in the evolution of humankind (Heitkam, 2016). The changes humans
made from ape-like creatures were so they could adapt to their surroundings. Australopithecus
evolved from walking on all fours while living in trees. Homo erectus had more distinct features
allowing them to walk. Natural selection much favored running. Homo erectus was able to run for
long distances in search of food. The ability to run influenced their capacity to think, and they
started evolving by looking for shelter away from trees. Endurance running, therefore, played a
crucial role in the evaluation of man from ape to humans.

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Running Head: CHANGES IN EVOLUTION OF MAN Changes in Evolution of Man Student’s Name Institution CHANGES IN EVOLUTION OF MAN 2 The homo Erectus was a human who almost walked upright. Australopithecus Afarensis had the characteristics of both humans and apes. The homo Erectus was a biped runner; this can be attributed to his anatomical features. Their head had a flatter face with a balanced head, allowing balance, thus enabling them to run (Jeroen, & Bergh 2018). Homo erectus was equipped with a ligament from the back of the skull to the thoracic vertebrae. This ligament offset arms and shoulders, making it possible for them to run. Shorter arms in homo Erectus made it possible for them to run by balancing the upper and lower body. The availability of ligaments and tendons in homo Erectus allowed them to take significant strides, making running possible. Shoulders of homo Erectus w ...
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