The Evolution Of Human Animals - 1744 Words

Humans, formally known as Homo sapiens, are some of the most fascinating creatures to inhabit this planet. We as human animals possess many traits unique to our species, but one of the most remarkable traits is our upright posture and inherent inclination to walk on two legs. We share this rare trait with few organisms, who even so only express limited bipedal behaviors. Human ancestors first initiated the transition to bipedalism approximately 6 million years ago through the upright steps of the Sahelanthropus. However, Homo erectus was the first human ancestor to express full bipedality, which occurred only 1.9 million years ago. Some of the preceding forms of locomotion used by human ancestors included quadrupedalism or pronograde posture, suspensory locomotion, and knuckle-walking (Watson, 2008). These forms of motion were used not only by human ancestors such as the Australopithecus afarensis, but can also be observed in modern times in some of our close relatives, apes and chim panzees. This transition to bipedalism was facilitated by structural changes comprised of an angled thigh bone, a more sturdy and broad pelvis, a wider patella, an S-shaped spine, and long femurs. The compilation of all of these adaptations allowed hominids to not only support their entire body weight while standing upright, but efficiently take long strides, therefore allowing them to travel greater distances. Though much is known about the implications for the transition to bipedality, theShow MoreRelatedThe Truth About Life On Earth Essay1012 Words   |  5 PagesQuotes†). Evolution is defined according to Webster s dictionary as â€Å"a theory that the differences between modern plants and animals are because of changes that happened by a natural process over a very long time† (Merriam-Webster). Darwin’s Evolution believes that species evolve overtime to better adapt to their environment. Darwin also believes that all animals originated from a common ancesto r. Creationists believe that God created man and all beings in 6 days. No species of animals evolved fromRead MoreCreation : God Vs. Nature1191 Words   |  5 PagesCreation: God vs. Nature Ideas and beliefs regarding human origin have plagued the minds of scholars and laymen alike since the beginning of humanity. How, then, did humans come to be? The Divine Creation Myth, as written in the Bible, was commonly accepted by Europeans as the real work of God. Thus, the creation of humanity in the Garden of Eden and the creation of all the animals was an instantaneous event of God s creation rather than a gradual process. 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We are animals however we often forget our origins and our place in the natural world and consider ourselves superior to nature. Humans are animals but what does it mean to be human? What are the defining characteristics that separate us from other animals? How are we different? Human origins begin with primates, however through evolution we developed unique characteristics such as larger brain sizes, the capacity for language, emotional complexityRead MoreThe Book Brave New World 1481 Words   |  6 PagesAws Aldajan Prof. Steven Schlesinger Philosophy 112 In the book Brave New World by Aldous Leonard Huxley, there are many topics covered about the world, freedom, and men. One of the topics discussed is the theory of evolution. There are many arguments presented about how the world and people evolved. There are different arguments created by creationists and evolutionists. For the creationists, everything is created by a creator such as God and that matter was formed by him to create the earth andRead MoreEssay on The Validity of the Theory of Evolution1539 Words   |  7 PagesSince the publication of Charles Darwin’s Origin of Species, in which the theory of evolution has risen, people have debated the merits of the theories of creationism and evolution. The theory of is reinforced through scientific studies using DNA, genetics and its mutation, the fossil record and the change in earlier species that has been encountered, and the distribution of related species of animals over a broad geographical range. To fully understand exactly what a fossil is, look at how theyRead MoreEvolution and Moral Truths Essay1399 Words   |  6 Pagespercent of theists say that the presence of moral truths absolutely do not provide evidence for evolution. 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