Sarah Burns Evolution of Plague Bacteria The Bubonic Plague otherwise known as the Black Death‚ has gotten most of its attention from medieval paintings‚ poetry‚ and journals of revulsion. The real horror‚ was the disturbing biological evidence of the bacteria that caused all the pandemics‚ known as Yersinia pestis. The pathogen got its name from the two investigators Yersin and Kitasato. In 1894‚ Yersin was known as the main investigator (ergo. Named after him)‚ he claimed that the mice/rats were
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Wilkinson English 111 22 July 2013 American-Made Oppression In “Evolution” by Sherman Alexie and “Ballad of Birmingham” by Dudley Randall both explain the suffrage and hardships their races had to endure. “Evolution” reveals the pressures that denatured the traditional culture of Native Americans. Where “Ballad of Birmingham” conveys a heartfelt message of a victimized child‚ whose mother’s efforts are not adequate to protect her child from racist hatred. Although both poems share a central theme
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The Physiological Evolution of the Camel Habib Hogue SCI/230 Shannon Kam July 12‚ 2013 The Physiological Evolution of the Camel The camel is an excellent example of how animals can physiologically adapt to their environment. Camels are generally found in African and Asian countries‚ where the climate is often hot and dry. In order to survive‚ the camel has adapted beautifully to its surrounding environment. The large hump(s) on located on the camel’s back‚ contrary to popular belief
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Gertsen Skin Evolution Essay Human skin pigmentation is the product of two clines produced by natural selection to adjust levels of constitutive pigmentation to levels of UV radiation (UVR). One cline was generated by high UVR near the equator and led to the evolution of dark‚ photo protective‚ melanin-rich pigmentation. The other was produced by the requirement for UVB photons to sustain cutaneous photosynthesis of vitamin D3 in low-UVB environments‚ and resulted in the evolution of pigmented skin
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of menopause have been selected for because grandmothers significantly improve grand offspring survival probabilities.’ (J. Beise) These two hypotheses have biological origins but have social implications; they are both tested for evolution of menopause and the evolution of post-generative longevity. Menopause and post-generative longevity are artefacts of modern life that were not present for most human evolutionary history‚ and are in accordance
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building remains standing. Architects need to design structures that hold up under any combination of three physical forces; compression‚ tension‚ and bending. To days architects have a plethora of materials at their disposal‚ they benefit from the evolution of materials and have the opportunity to use them how they wish‚ but it has not always been this way. Primitive buildings were built using dry masonry‚ which is a simple technique of stacking stones in a consistent pattern without using any mortar
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In the essay “The Radical Idea of Marrying for Love”‚ Stephanie Coontz discusses the change marriage has made among the different cultures around the world and how it went from being an act that was necessary to something that was done for personal joy and fulfillment. For most cultures marriage was an act that was done as a necessity. Couples married because they needed to reproduce and ensure that their family continued to have money and power. The romance of marriage did not exist and it was
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science vs. religion there has been no issues more hotly debated than that of evolution vs. creationism. The issue is passionately debated since the majority of evidence is in favor of evolution‚ but the creation point of view can never be proved wrong because of long standing religious beliefs. Human creation is seperated into three simple beliefs; creation theory‚ naturalistic evolution theory‚ and theistic evolution theory. The complexities of all three sides create a difficult dilemma for what
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on Science Skeletons Reveal Human and Chimpanzee Evolution Student Worksheet About This Worksheet This worksheet complements the Click and Learn “Skeletons Reveal Human and Chimpanzee Evolution” developed in conjunction with the 2011 Holiday Lectures on Science‚ “Bones‚ Stones‚ and Genes: The Origin of Modern Humans”. Author: Mark Eberhard‚ St. Clair High School Web Link: www.hhmi.org/biointeractive/skeletons-reveal-human-and-chimpanzee-evolution Click the arrow in the bottom right corner of the
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Running Head: Evolution of Private Security Evolution of Private Security Zachary Cuonzo Kaplan University CJ210-04 Professor Preston March 16‚ 2011 The end of the Second World War saw an increase in the awareness of individual rights such as the right to be protected from harm at all costs. Though the demand for private security arose in ancient times‚ the Second World War heightened its demand and saw the evolution of private security practice boom into a multibillion industry all over
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