Hominid activity Research Paper Example | Topics and Well Written Essays - 1000 words

Hominid activity - Research Paper Example farensis, the â€Å"Hadar Skull† and the "First Family," all discovered in Hadar, Ethiopia in 1974, 1992 and 1975 respectively and the Laetoli Footprints discovered in Tanzania by Mary Leakey in 1978. ‘Lucy’, the first A. afarensis find at Hadar, Ethiopia,  in 1974, dated at 3.2 million years old. The primary indicator of Lucy’s sex being female was the wide pelvic opening. Lucy had both ape and human features: the creature had apelike facial proportions that included a flat nose with a protruding/projected lower jaw suspending small canine teeth; had smaller braincase (approximately 1/3 in size to that of the modern man); had bipedal characteristics with divergent big toes such as those used by the modern apes. Additionally, Lucy had an upward-pointing shoulder joint and a hand with a powerful wrist and curved fingers (PBS, Riddle of the Bones: What did they look like?). With a near-complete set of fossilized backbones as well as an intact upper leg bone, the discovery revealed that Lucy was about three-and-a-half feet tall. The creature had scars of muscle attachment on her skeleton suggesting that Lucy was strongly built. It had both ape like and human fe atures that included long dangling arms. The above features indicate clearly that Lucy (A. afarensis) was an upright walking creature, but also lived on trees-evidenced by suspensory features of the dangling arm (the upward-pointing shoulder joint as well the divergent big toes). A sensational discovery at the time, the 75 long trail of crisp Laetoli footprints- discovered by Mary Leakey in 1978 was a great deal of breakthrough in resolving the debate surrounding the bipedal nature of the early hominids. The maker of the footprints lived approximately 3.6 million years ago walking across wet ashfall. According to the records from the Matriarch of fossil hunting Leakey family, the Laetoli Footprints were footsteps of at least two (possibly three individuals) with certain apelike characteristics: had a

The image of Martin Luther King giving speech I Have a Dream in 1963 Annotated Bibliography

The image of Martin Luther King giving speech I Have a Dream in 1963 - Annotated Bibliography Example Moreover, the source offers information some of his civil right movements which is critical in answering the question on the ways in which he fought for the freedom of African Americans. Andrew Young the author of this book offers a chronological record of some of the experiences that Martin Luther went through during his struggle to campaign for the freedom of African Americans. The author was one of the leading members of the civil rights movement during that time and hence offers a detailed account of the mistreatment, police harassments and other challenges that Marti Luther remained resilient to because of his determination to see the African Americans treated as equal American citizens. This book is a powerful source in the discussion about Martin Luther’s experience and contributions in the civil rights movements. The author’s close association with Martin Luther as members of the civil rights movement serves to augment the reliability of the source. Daisy Bates the author of this book presents an extensive and intensive description of the efforts of African Americans to fight for equality. She describes the severity of the segregation that existed between the black and whites and then illustrates how some of the leaders of African American collaborated with the same mission of demanding for equality. From the details she provide, it becomes evident that martin Luther king was influential in this course. This book is a reliable source when describing the mission that Martin Luther was working to achieve. Since the book offers an in depth description, it becomes evident that it can be used to develop a clear understanding of how Martin Luther and his contemporaries who participated in the civil right movement strategized as they fought for the freedom of the African Americans. This book offers an extensive description of the belief and certain personality traits that helped shape the leadership of Martin Luther. The author of the book sought