Microevolution and Macroevolution in Teaching and Learning Essay - 1

Microevolution and Macroevolution in Teaching and Learning - Essay Example Generally, macroevolution is the total of microevolution over extended time periods and occurs above the level of the species. On the other hand, microevolution denotes changes in allele frequencies that lead to smaller evolutionary changes in the population (Rosengren 30). Microevolution, therefore, can be considered as the normal evolutionary mode. These two processes of evolution are linked by speciation or isolated populations, which can be considered to fall in either process’ scope. In microevolution, new species are not formed, and if the changes are not maladaptive, it is possible for these changes to persist in the species, as well as the population. If a new opportunity is presented, a select group of individuals could adapt to a different environment or source of food. Where the adaptations lead to the parental species and the adapted individuals having offspring that is maladaptive, reproduction isolation is the result (Rosengren 31). Macroevolution and microevolution basically address the same process, which is gene frequency changes, meaning that both use the same mechanisms. Small-scale allele frequency changes within the population that occurs in microevolution could be as the outcome of natural selection, gene flow, genetic drift, or genetic drift (Rosengren 33). Natural selection entails a progression in which individuals that adapt best produce the most number of offspring, which also transfer their parents’ genes to their offspring, giving them a survival edge. Genetic drift, on the other hand, would involve a random process where chance has a key role in determining the alleles or gene variants that survive.  

Module 5 - Case assigment-Business Ethics and Organizational Culture Essay

Module 5 - Case assigment-Business Ethics and Organizational Culture - Essay Example It is a cautionary tale of how to destroy a seemingly good corporation at the very peak of its success in the highly- competitive world of energy trading in a liberated but loosely regulated environment. Many things had connived to cause the unraveling of Enron, one of which was its wrong bet on the direction of the energy market. Prices were going south and so a desperate effort of covering up was undertaken, primarily that of off-balance sheet financial commitments. It was the perfect storm, so to speak, a confluence of negative events finally brought Enron down and taken positively, the failure of Enron brought about many positive changes in governance. A few examples of this benefit are today's increased vigilance, passage of the Sarbanes-Oxley Act, and reforms in the banking and financial sectors through stricter accounting reporting standards. Hopefully, Enron is the last of its kind of case, but one never knows for sure it will not repeat. This paper is a critical appraisal of the business ethics at Enron within the context of its organizational culture and how its leaders influenced and shaped that particular culture which in a way ultimately led to its spectacular end. Many things went wrong at Enron then but in a strange twist, no one raised a howl until it was too late. Enron is a classic case in business ethics. Discussion There are many different definitions of organizational culture, and several examples of its definition are given here. This is to give a general conceptual background of what it is and in a sense, what it is not. Organizational culture is the abstract but dynamic phenomenon observed in organizations that influences the people within that particular organization (Schein, 2010, p. 3) to think and act in certain prescribed ways acceptable to majority of its members. In this meaning of organizational culture, there is a certain emphasis on how culture is created through a series of constant exchanges between people, re-enacted and rei nforced by our interactions with the other people that are in turn shaped by our own conscious behavior. With this in mind, organizational culture implies a certain kind of rigidity that builds up stability within the organization, because it has coercive power on how people should feel, act, speak, think and do things in an acceptable manner that creates social order. In other words, organizational culture demands conformity. A slightly different meaning of organizational culture is the formal system of all shared meanings, values and viewpoints within an organization by which all members abide by (Divedi, 1995, p. 9); it positions the organization as something different from other similar organizations as it helps to define the basic or intrinsic nature of the said organization. Organizational culture can be structural in terms of its enduring characteristics which differentiate it as an organization, it can be subjective, in the way employees and members feel about the organizati on as a group, and lastly, it can be synthetic, which is a combination of both structural and subjective elements. It is the perceived subjective influence of the formal system within the organization, and coupled with the informal system of how its leaders and managers act and think, with all other factors. Another meaning of organi

Logistics Essay Example | Topics and Well Written Essays - 1250 words - 1

Logistics - Essay Example In the near future, low-cost RFID â€Å"electronic product codes† or â€Å"smart-labels† may be a realistic substitute for optical barcodes on customer items. Unluckily, the worldwide consumption of RFID devices in consumer items may expose innovative security and privacy risks not present in closed manufacturing environments (Benny, 2002). One auto-ID system missing the flaws of optical barcodes is supported by radio frequency identification (RFID). The name â€Å"RFID† could be applied to systems in use for more than sixty years. Possibly the earliest radio identification technology was the â€Å"Identify Friend† system used in Allied aircraft throughout World War II. In 1940, the British Royal Air Force prepared aircrafts with radio transponders that would take action when interrogated. RFID transponders take object classifying information. This information may comprise the producer, product, model and a distinctive serial number. Cooperatively, this information is frequently referred to as the tag’s identity, or simply as ID. An identity may be of any length. Mostly, a 96 bit identity would be sufficient for most functions. RFID tags comprise a little microchip connected to an antennae or other pairing component. The tag corresponds by means of radio frequencies with a transceiver. The tag identity may be read automatically devoid of line of sight, through non-conducting matter for instance cardboard or paper, at a speed of several hundred reads per second and starting a distance of several meters. RFID systems have come into view as a realistic auto-ID stand in industries as wide-ranging as automobile manufacturing, microchip fabrication and even cattle herding. The final example is in fact one of the first commercialized RFID systems. A strong RFID tag with a distinctive identity was connected to each cow’s ear, permitting herders to follow a specific animal in addition to take temperature readings. These tags could

Live Television Essay -- Concept of Live Television TV

Live Television In the Article The Concept of Live Television: Ontology as Ideology, Jane Feuer presents the idea of liveness in television. Television as an institution identifies all messages emanating from the apparatus as live. However in the technological advances, the meaning of live has greatly changed. Computerized editing equipment has made editing as flexible as most film editing. Much of this new equipment is used for the recording and freezing of "live" sports events that were supposed to be the glory of the medium. Even in terms of the simplest conception, live television is a collage of film, video, and "live" all woven into a complex scheme. Another point made in her article is the concept of flow as a way of explaining the effect of immediacy the experience of television gives. Television becomes this continuous never ending sequence in which it is impossible to separate texts. This idea of liveness smoothes over text breaks for things such as commercials. This is a fascinating idea because live programs are the most popular, and since this concept makes us not really realize when commercials are going to occur, we end up watching commercials more, creating a large and very tuned-in audience for advertisers. This experience of flow relates with the television-viewing situation because the set is in the home. It is always available, is a part of everyone's daily lives, and one can intercept the flow at any point. Television is designed to be... Live Television Essay -- Concept of Live Television TV Live Television In the Article The Concept of Live Television: Ontology as Ideology, Jane Feuer presents the idea of liveness in television. Television as an institution identifies all messages emanating from the apparatus as live. However in the technological advances, the meaning of live has greatly changed. Computerized editing equipment has made editing as flexible as most film editing. Much of this new equipment is used for the recording and freezing of "live" sports events that were supposed to be the glory of the medium. Even in terms of the simplest conception, live television is a collage of film, video, and "live" all woven into a complex scheme. Another point made in her article is the concept of flow as a way of explaining the effect of immediacy the experience of television gives. Television becomes this continuous never ending sequence in which it is impossible to separate texts. This idea of liveness smoothes over text breaks for things such as commercials. This is a fascinating idea because live programs are the most popular, and since this concept makes us not really realize when commercials are going to occur, we end up watching commercials more, creating a large and very tuned-in audience for advertisers. This experience of flow relates with the television-viewing situation because the set is in the home. It is always available, is a part of everyone's daily lives, and one can intercept the flow at any point. Television is designed to be...

Iq Test Paper Essay

Battery is the standardized IQ test of the military and most high school guidance counselors recommend this test to their â€Å"lost† students. Each enlistee/student that takes this test will know one of two things, potential career path or what work assignment they will be doing for the next 2-4 years. I myself scored well, any job in the military was available to me, and choose to be an Airborne Petroleum Supply Specialist. This test didn’t really help me as it does with most high school sophomores, juniors, seniors, and students in postsecondary schools(Baker, 2002) looking for some kind of guidance for their future . I took the test because I was looking to be a free young man and this test would allow me to do that. I do believe that the ASVAB test is very helpful in shaping today’s youth. Since the first time the ASVAB was administered in1968 to over one fourth of all high school seniors the test has been revised drastically (Baker, 2002). In 1995 the Department of Defense (DOD) asked the American Institutes of Research to find out if the ASVAB test was really working to give high school students career assistance or not. The test already told the DOD what work assignment was best suited for the potential enlistee. Basically the American Institutes of Research decided that it was better to group all of the different test items together, thus creating the Career Exploration Knowledge Scale. The previous standard scale, the Career Decision Scale (Baker, 2002), was found to be a one-dimensional measure of career indecisions. Tests are designed to discriminate among individuals, and therefore contain items of varying difficulty (Gibson & Harvey, 2003). The harder the questions, the fewer enlistee/students answer them correctly. The easier the questions, enlistee/student should answer them correctly more often. Some argue that the ASVAB test, among many others, is bias. Would you know to bake a cake or solve a mathematics â€Å"word problem†? Some women, in addition to men, have no clue how to bake or add. Tests revolve around what any given person has learned or seen before taking it. Anyone can say anything is bias. Overall, many studies have proven that the ASVAB Career Exploration Program both enhanced self knowledge associated with career discovery and reduced uncertainty for high school students. In Conclusion, to give guidance to a young adult who is still creating the networks and pathways of their mind, body and soul, then I say have at it.

Spinosaurus vs. Sarcosuchus - Who Wins

The Financial Crisis Of 2008 - 1384 Words

The turmoil in the financial markets also known as the financial crisis of 2008 was considered the worst financial crisis since the Great Depression. Many areas of the United States suffered. The housing market plummeted and as a result of that, many evictions occurred, as well as foreclosures and unemployment. Leading up to the financial crash, most of the money that was made by investors was based on people speculating on investments like real estate, stocks, debt buying, and complex investment tools instead of actual tangible products that people purchased or needed. There are a number of dangers that arise when investors make large sums of money that are not tied to the actual value of a product and investors should not be able to make substantial profits off of the misfortune and poor choices of others. Those practices are very unethical and there should have been an increase in government intervention after the financial crash of 2008. The financial crash of 2008 was result of deregulation and male dominance in the financial services industry. When investors make large sums of money on investments that are not tied to the actual value of a tangible product a number of dangers can arise. During the financial crisis of 2008, investors were making money off of home owners who paid their mortgages. Because of leverage, the investors made more money than they should have because after multiple homes were foreclosed the home-owners that continued to pay their mortgageShow MoreRelatedThe Financial Crisis Of 20081747 Words   |  7 PagesThe economic crisis of 2008 was one for the ages, it changed the world of investing forever. That year, the stock market crashed, bank failures and the infamous wall street bailout that can all be traced back to the subprime mortgage crisis.. 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Gramm-Leach-BlileyRead MoreFinancial Crisis 20085972 Words   |  24 PagesCORPORATE FINANCE THE GLOBAL FINANCIAL CRISIS 2008 Group’s member:Nguyá »â€¦n NhÆ ° Nam (C)Phan Thu AnNguyá »â€¦n Thà ¹y DungHoà  ng Bà ¡ SÆ ¡nNgà ´ Thá »â€¹ à nh Tuyá º ¿tDate: 28/11/2014 | AbstractIn 2008 the world was fell into the worst financial crisis since the Great Depression of 1929-1933. Although this crisis has gone, however, its consequences for the economy of many countries is very serious, even now many nations are still struggling to escape difficulty. Just in a short period, the crisis originating from AmericaRead MoreThe Financial Crisis Of 2008 Essay2044 Words   |  9 PagesThe 2008 financial meltdown resulted in the most treacherous investment landscape observed since the great depression. The most notorious issue was the subprime mortgage crisis, which had a ripple effect felt through every market in the world. 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