Anatomical features Essay Example | Topics and Well Written Essays - 500 words - 1

anatomic features - Essay ExampleThe Lucy skeleton found at hadar Ethiopia and Dikika also found in Ethiopia. Other features exchangeable Footprints and others discovered by paleoanthropologist proved that certain creatures lived on earth millions of years ago before we were born.genus Australopithecus afarensis is one of the extinct creatures discovered by Paleoanthropologists. Its remains were found in Ethiopia and it lived between close to 4 million years ago (Walter 2002). It was slenderly built. It is believed that A. afarensis was more closely related to modern adult male species, humankind sapiensThe most famous fossil is the partial skeleton named Lucy (3.2 million years old) found by Donald Johanson and colleagues (Esteban 2007). In life, Lucy had a height of roughly 1.1 meters and its weight was about 30 kilograms. Lucys skeleton gave signs that she was bipedal. The shape of lucys renal pelvis was a good reason to believe that she was bipedal. Another proves is femurs angle from hip socket to the knee joint, her skull was the same coat as that of a chimpanzee (Esteban 2007). Lucy had one pelvic bone and made it difficult to tell the sexual urgeThe feet of Lucy were far apart, and each hind leg descends straight person to the ground beneath the hip socket. The tibiae drop straight to the ground. Lucy teeth were resemblance to that of modern human. She had canine same size like that of human being.Fingers were curved in such away that it suggests they grasp branches as they climb. Its iliac blades were short and seem wide. Its sacrum was wide and positioned directly tardily the hip joint. Lucy had had much smaller and more v-shaped jaws. The footprints found in volcanic ash were similar to features of human leg phalanges and proved o be a creature similar to human.Ardipithecus is a fossil hominoid, set forth by its discoverers as a very early hominin genus. Aramidus lived about 4.4 million years ago. It was Like