Take-Home Final Assignment Example | Topics and Well Written Essays - 500 words

Take-Home Final - Assignment Example The species had a pelvis that demonstrated its join tree-climbing and bipedal movement adaptations. Its skeleton reproduces a human-African primate common ancestor, which does not appear like a chimpanzee (Lieberman 34). The scientists discovered the fossils next to faunal remains that indicated this species inhabited wooded surroundings. Scientists have established that Australopithecus afarensis grew fast to reach maturity earlier as compared to modern humans. This species displays characteristics that are similar to humans and apes. Australopithecus afarensis had a flat nose, projecting lower jaws, as well as a small brain, which is approximately a third of a modern human’s brain (Lieberman 48). The species had adaptations that enabled it to live on trees along with the ground. First, Australopithecus afarensis and modern Homo sapiens have a body that stands on two legs. Second, both these species had the ability to walk upright. Third, Australopithecus afarensis along with modern humans possess straight fingers (Lieberman 48). Modern humans can implement alterations in their brain sizes and organization, which was an adaptation from Australopithecus afarensis to adjust behavior patterns and ways of life. This approach is necessary because the exceptional brain improvement makes a significant contribution to mental abilities related to individual knowledge (Lieberman 48). According to scientific discoveries concerning Homo erectus, the species had body proportions that were similar to modern humans. Homo erectus possessed lengthened legs with shorter arms, which are significant adaptations that enabled them to live on land. Their adaptations explain their capability to walk and run for longer distances that were efficient in hunting and gathering (Lieberman 68). This species has been linked to originality of stone tool technologies like hand axes. Modern humans inherited body