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Free research essays on topics related to: human evolution

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  • Human Evolution - 1,687 words
    Human Evolution: the water theory. Elaine Morgan The crucial question about human evolution is why humans differ so strikingly from the African apesdespite their close genetic relationship. Most Darwinists would agree that such differences are usually attributable to differing environmental pressures; and hence that our ancestors at some stage probably occupied a significantly different habitat from the ancestor of the gorilla and the chimpanzee. For the last half-century it has been generally assumed that it was a much drier habitat. Alister Hardy's suggestion in 1960 that it might have been a much wetter one was intuitively and almost unanimously rejected. Primates were said to have an inn ...
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  • Human Evolution - 1,589 words
    ... y requirements of its growing brain continues to devote roughly 70% of its growth potential to increasing this fat deposit, reaching peak adiposity of around 25% of its body mass by the age of nine months. These facts would not be predicted. either as part of the inheritance from early arboreal ancestors nor as adaptations to a life on the plains of Africa. One suggested explanation stressed the need of storing energy against possible food shortages, as in hibernating mammals. But the fat in humans is not seasonal, and it is hard to see why natural selection in the hominids would have given priority to food storage in a savanna habitat where speed seems to have been the prime requiremen ...
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  • Human Evolution - 1,540 words
    Human evolution is the biological and cultural development of humans. A human is any member of the species Homo sapiens, meaning wise man. Since at least the Upper Paleolithic era, some 40,000 years ago, every human society has devised a creation myth to explain how humans came to be. Creation myths are based on cultural beliefs that have been adopted as a legitimate explanation by a society as to where we came from. The science of paleoanthropology, which also tries to create a narrative about how humans came to be, is deeply technical. Paleoantropology is the science of the evolution of humans, and it is the base of all research in that field. Humans have undergone many different changes d ...
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  • Human Evolution - 924 words
    Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens sapiens, or human beings. Humans evolved from apes because of their similarities. This can be shown in the evidence that humans had a decrease in the size of the face and teeth that evolved. Early humans are classified in ten different types of families. Creationists believe that humans were always humans. Humans are classified in the mammalian family Primates. In this arrangement, humans, along with our extinct close ancestors, and our ...
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  • Signifance Of Anthropology And Archaeology - 1,521 words
    Anthropologists and Archaeologists Anthropologists and archaeologists have influenced our lives in so many ways. They have taken us back to our most humble beginnings. They have given us an awareness of just how far we have come through the centuries. Archaeology is the investigating of life by unearthing and interpreting the objects left behind by earlier peoples and cultures, dating back to prehistoric times. Anthropology is the scientific study of hominids, their physical features, development, and behavior. Anthropology is broken into two parts: physical and sociocultural. Physical is concerned with human evolution and biology and the study of primates. Sociocultural anthropology investi ...
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  • Caries - 2,372 words
    ... d warming of climate where there is an increase in the growth of plant material and plant foods. This change would have promoted a growth in subsistence farming, at the very least. This would have increased the amount of plant carbohydrates and thus there was an increase in the occurrence in evidence of caries. Again in the Mesolithic there is further warming in the surrounding climate to the point where an even greater amount of plant food harvest is attainable for human consumption. Frayer found that for the Mesolithic, there was a negative correlation between rates of caries and latitude. This was the case where skeletal assemblages from northern sites continually show a decrease in c ...
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  • The Social Brain - 1,429 words
    The ability of humans to learn and retain knowledge is an incredible power source and also a dominant characteristic of the human species. The intricate abilities of the mind allow for humans to learn skills and to have the power to control and dominate the world they live in by means of learned behavior. The two cerebral hemispheres of the left and right specialize in motor and sensory skills which specialize the socialy established beliefs and behaviors unique to humans. In writing The Social Brain Michael Gazzaniga proclaims an understanding of the principle of both the right and left brain hemispheres by examining split brain patients. Gazzaniga believes in cognitive dissidence and studi ...
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  • The Social Brain - 1,422 words
    ... tus were also unique, as he realized the environment could be controlled for personal improvement (Gazzaniga, 149). This was evident in the new nomadic behavior of hunters and gathers as populations behavior become more nomadic As a hominid continued to evolve the Neanderthal played an important role in the changes of brain activity and behavior. The Neanderthals dominant influence of the Wenickes and Broca areas of the brain allowed for the specialization of skill in tool making, shelter, and hunting ability. Neanderthals lived in larger groups thrived off competition and social relations evident in their self adornment with clothing and tools. Neanderthals lived in caves and buried the ...
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  • Brave New World Vs Matrix - 1,199 words
    Since the begging of humanity, mankind tries to predict the soon to be future. Many scientific books and movies thrilled readers and viewers with visions of the future world. The book "Brave New World" by Aldous Huxley and the movie "Matrix" directed by The Wachowski Brothers tried to put forth-such views. The strongest theme in both the book and the movie was the idea that as humanity progresses through the centuries, the advancement of science leads to perfecting the world that man lives in, which in turn conflicts with human individuality. Although, the concept is similar in both the book and the movie the portrayal of the conflict is different. Both, the movie and the book, show the futu ...
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  • Multiple Intelligence - 1,400 words
    Harold Gardner (1983) of Harvard University has identified several kinds of intelligence people possess. Particularly, this finding poses significant implications in classroom instructions. More often than not, children and even adults (who are grown up children) are labeled negatively if and when they manifest either a very fast, slow or no understanding at the entire subject matter. Identifying childrens various strengths among these intelligences will direct the teachers toward more successful teaching strategies, curriculum, and assessment planning that can accommodate different students more effectively based on their orientation to learning. It is the objective of this paper to enumera ...
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  • Genetic Engineering - 1,518 words
    ... irus is replicated millions of times over, the cell bursts and the new viruses are released to continue the cycle. The body's natural defense against such cell invasion is to release certain proteins, called antigens, which "plug up" the receptor sites on healthy cells. This causes the foreign virus to not have a docking point on the cell. This process, however, is slow and not effective against a new viral attack. Genetic engineering is improving the body's defenses by creating pure antigens, or antibodies, in the lab for injection upon infection with a viral disease. This pure, concentrated antibody halts the symptoms of such a disease until the bodies natural defenses catch up. Future ...
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  • Human Origins - 1,011 words
    For years, the evolution of human beings has been researched and studied. In today's society, there are many different interpretations on creation and how humans came to be what they are today. Through much scientific evidence and studies, there is now physical proof that human beings may have evolved from ape-like creatures. Even with this, there are still disputes in the paleoanthropological field of whether or not this is true. Still, many choose to believe their religious creation stories where a God created humans. Whether it is Johanson's idea on human evolution or Leakey's or even the Roman Catholic's creation story, all are an individual own interpretation and neither wrong nor right ...
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  • The Homebase Theory - 1,403 words
    ... (Richard Potts). Others, seeking out modern day analogues of ancient hunter-gathers, went to Botswana to observe the !Kung San (R. B. Lee, I. Devor, J. E. Yellen). One apostate (Tim White) defected to the home base of Donald Johanson. In general, no surprises emerged from the new work. (Sept 1992) However, in his 1982 dissertation, Potts developed an independent critique of the home base idea. Many of the animal bones at Type C sites, he noticed, showed signs of carnivore-inflicted damage. Evidently hominids and felines maintained an interest in the same food material; this "competitive milieu surrounding animal tissues" had probably "restricted" hominids from enjoying the sites for long ...
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  • Creation V Evolution An Educational View - 1,049 words
    Creation v. Evolution: An Educational View Many words have been written about the origins of things. Numerous ancient people believed that several powerful gods were responsible for creating human beings (Warburton 12). Another theory is parallel evolution, humans evolving simultaneously in several parts of the world (Allman, 54). The metaphysical assumptions and moral implications demonstrated in aspects of evolution theory have been a source of conflict for over one hundred years. "Pre-Darwinian" biologists based their science on theological assumptions. Science was rooted in religion; its purpose was to prove the existence of God, using as evidence the design and purpose in nature. Darwin ...
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  • Intelligence - 1,819 words
    ... zed that they do not posses the things that others in their environment do, they may feel inferior. Conversely their peers might treat them in a negative manner leading to what Goffman termed a spoiled identity. Because money is often equate with morality, those children who are monetarily disadvantaged might feel and be made to feel that they are inferior which might affect their self-conception and lead to decreased motivation. It is extremely difficult to draw any conclusion because of the dynamic relationship of the multitude of environmental factors that work together to shape intelligence. No links were found between biomedical risk factors, such as preterm and low birthweight babi ...
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  • Feminist - 1,292 words
    ... argued that similar differences existed among humans. Consequently, he concluded that men are, "more courageous, pugnacious and energetic than woman, and have more inventive genius." Darwin did much to damage society during his day, women in particular. Victorian assumptions of the inevitability and rightness of a woman's role of domestic moral preceptor and nurturer and man's role of free-ranging aggressive provider and jealous patriarch were enshrined in Darwin's reconstruction of human evolution. Our female progenitors were maternal, sexually shy, tender and altruistic, while our male ancestors were "naturally" competitive, ambitious and selfish. Not unlike Darwin himself who wrote i ...
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  • Lucy - 903 words
    When he was in high school, Donald Johanson was told by his guidance counselor to forget about going to college. The only son of a widowed immigrant mother who worked as a cleaning lady, Johanson had done so poorly on his SATs that the counselor did not believe he was capable of performing college-level work. Now, Dr. Donald C. Johanson is one of the world's leading and America's best known paleoanthropologists. (Ann Online) His dramatic discovery, in 1974, of LUCY our oldest, most complete human ancestor sparked a controversial change in our view of human origins. The following year, again at the famous site of Hadar, Ethiopia, Johanson's team made the unprecedented discovery of the fossili ...
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  • Cognitive Psychology - 4,630 words
    ... ences is not expected to differ as a result of group membership. To test this hypothesis, mean response selection times for correctly identifying OLD and correctly rejecting Idea Set and NEW sentences will be required. Group differences will be considered as significant if an alpha level of .05 is obtained. Participants were tested individually and were paid for their participation. After providing written, informed consent, each volunteer was given the screening packet to determine eligibility for continued participation in the study. Before beginning the test protocol, each participant was given the Shipley Vocabulary Test (Shipley, 1940) to determine overall verbal ability, and the Be ...
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  • Love In The Road Less Traveled - 1,386 words
    Scott Peck's view of love in The Road Less Traveled is a correction to what he thought everyone else thought love was. This paper will be an explanation of Peck's beliefs about love, a contrasting view on love, and my personal knowledge of Peck's beliefs. Peck had a very pessimistic and, at times, a contradicting view of what is believed to be "love" and introduced that in his section on the definition of love. Peck (1978) believed "Love is too large, too deep ever to be truly understood or measured or limited within the framework of words"(page 81). Later on in that same page Peck offers a definition of love as being "The will to extend one's self for the purpose of nurturing one's own or a ...
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  • Language Is Communication - 668 words
    When we think of an intelligent being we think of someone like us, a creature that is able to think and communicate effectively . Communication or language is a process every child learns from birth, and we continue to use it until our death. The structure of our language gives us the ability for abstract thinking. Because of this we are able to expand our knowledge and evolve as a society. Language is a system of terms that are used in a particular manner and carry a particular meaning. The building blocks of language are words, each one carries a meaning which Langer describes in her essay Language and thought as having symbolic significance. Symbols and signs are the words of the language ...
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