|
Enter your query below to search our database containing over 50,000+ essays and term papers
Search results 25311 - 25320 of 30573 matching essays
- 25311: Predators and Ecosystem Management
- ... forests was provided because of a accident of history, the over-exploitation of sea otters in the Pacific maritime fur trade. The study compared areas where sea otters were abundant with nearby areas to area's where they're almost extinct. By doing this comparison of the sea otters coastal system it was possible to gain much insight into the sea otter ecological role in kelp-forest ecosystem. Over the years it's been possible for us to observe the kelp-forest ecosystem over-time, thanks to the massive growth of the sea otters population we observed the change from otter- free to otter-dominated. This article relates to many aspects of our textbook. On page 89 in chapter 5 the text explains what an ecosystem is, defined by the book, it's a community of species interacting with one another where there is a non-living environment. In this case the otter and kelp-forests ecosystems a coastal ecosystem. As mentioned in the book, the food ...
- 25312: Bacons Rebellion
- ... looting began by both sides of the ordeal, which did not end until 1676 when Nathaniel Bacon died of dysentery. The attack on the Native Americans might appear to be the only cause of Bacon's rebellion, but there were more. There were three main causes of Bacon's rebellion, one of which were the poor relations between Native Americans, and colonial tobacco farmers, and their fighting, which I have already mentioned. The others were the heavy trade sanctions of England and the tyrannical ... in a war in Europe with the Dutch and they were falling into a depression. In order to pull themselves out of their depression, they adopted a strict policy of Mercantilism. Mercantilism according to Webster's Dictionary is the doctrine that arose in Europe with the decline of feudalism, that the economic interest of the nation could be strengthened by the government by the protection of home industries, as through ...
- 25313: Causes Of The Civil War 3
- ... were deep economic, social, and political differences. The South wanted to become an independent nation. There were many reasons why the South wanted to succeed but the main reason had to do with the Norths view on slavery. All of this was basically a different interpretation of the United States Constitution on both sides. In the end all of these disagreements on both sides led to the Civil War, in ... wanted a good banking and currency system and federal subsidies for shipping and internal improvements. The South felt these were discriminatory and that they favored Northern commercial interests. Now the main reason for the Souths secession was the Slavery issue. This was the issue that overshadowed all others. At this time the labor force in the South had about 4 million slaves. These slaves were very valuable to the slaveholding ... territories. The North wanted to limit the number of slave states in the Union. But many Southerners felt that a government dominated by free states could endanger slaveholdings. The South wanted to protect their states rights. The first evidence of the Norths actions came in 1819 when Missouri asked to be admitted to the Union as a slave state. After months of discussion Congress passed the Missouri Compromise ...
- 25314: Poverty and Welfare
- ... and challenge, both material and spiritual. If folks a hundred years ago could help others to move out of poverty, and then turn their attention to the next group of immigrants and impoverished, why can't we? Did they have more time than we do? No, even though we feel stressed, their work days on the average were longer. Did they have more money? No, we are far more affluent as ... expectancy was lower, so there were lots of orphans and half-orphans. We're more spread out now, but our travel time is not any greater. What I learned leads me to wonder: Why can't we do the same? Were Americans then a different people than we are today? Have we become so corrupted that we don't care about others? Have we become so lazy that we are unwilling to suffer with? I think not. I hope not. But we have become used to having someone else do it for us - ...
- 25315: Our Radiant Planet- Depletion of the Ozone Layer
- ... B) that would otherwise reach our planets surface. Humans have damaged the ozone layer by adding molecules containing chlorine and/or bromine that lead to ozone destruction. The largest group among these are chloroflurocarbons (CFC's). At ground level, these molecules are very stable and have many uses in industrial and domestic applications, such as in spray cans, industrial solvents, degreasing compounds, and cooling in fridges. However when released into the ... on human health from exposure to UV radiation are skin aging, sunburning and skin cancer, although recent research has expanded the list to include eye damage such as cataracts and the suppression of the body's immunes system to both infectious disease and chemical sensitivities. Sunburning is caused by UVB exposure. It causes a reddening of the skin and over time can cause a dramatic aging effect on the skin. The ... cataracts and eye tumours. The principal form of chronic damage linked to UV radiation is cataracts. Exposure to UVB has been shown to suppress a portion of the human immune system important as the skin's defence against infectious agents such as bacteria, viruses and chemicals. The impact of UVB on human disease works in three levels. One is the increase in activation of viruses, the second is the decrease ...
- 25316: Estuaries
- ... and industry. Healthy estuaries support profitable, commercial fisheries. In fact, almost 31 percent of the Gross National Product (GNP) is produced in coastal counties. This relationship between plants, animals, and humans makes up and estuary's ecosystem. When its components are in balance, plant and animal life flourishes. Humans have long been attracted to estuaries. Indian mittens consisting of shellfish and fish bones are reminders of how ancient cultures lived. Since ... the importance of protecting these resources for their natural and aesthetic values. In recognition to these threats, Congress, in 1987, established the National Estuary Program (NEP) as part of the Clean Water Act. The NEP's mission is to protect and restore the health of estuaries while supporting economic and recreational activities. To achieve this, the Environmental Protection Agency (EPA) helps create local NEPs by developing partnerships between government agencies that ... of their own estuaries. One specific estuary is the San Francisco Estuary. Human activities in the 1600 square mile Bay/Delta watershed region have drastically altered natural habitats and impaired the functions of the estuary's ecosystem. Poor cattle grazing practices contribute to soil erosion and water quality problems. In model public or private partnership, this NEP is assisting a private rancher in developing a grazing management strategy for a ...
- 25317: Big Bang
- ... above absolute zero. In the future, the universe may end up in two possible situations. From the initial Big Bang, the universe attained a speed of expansion. If that speed is greater than the universe's own escape velocity, then the universe will not stop its expansion. Such a universe is said to be open. If the velocity of expansion is slower than the escape velocity, the universe will eventually reach ... Inc., 1987. p. 128. 2. Ibid., p. 130. 3. Joseph Silk, The Big Bang, New York: W.H. Freeman and Company, 1989. p. 60. 4. Terry Holt, The Universe Next Door, New York: Charles Scribner's Sons, 1985. p. 326. 5. Ibid., p. 327. 6. Charles J. Caes, Cosmology, The Search For The Order Of The Universe, USA: Tab Books Inc., 1986. p. 72. 7. John Gribbin, In Search Of The Big Bang, New York: Bantam Books, 1986. p. 273. BIBLIOGRAPHY Boslough, John. Stephen Hawking's Universe. New York: Cambridge University Press, 1980. Caes, J. Charles. Cosmology, The Search For The Order Of The Universe. USA: Tab Books Inc., 1986. Gribbin, John. In Search Of The Big Bang. New York: ...
- 25318: So Long A Letter
- ... belief that they are inferior and are limited because of their biological role in reproduction. These beliefs are held, consciously or unconsciously, by the majority of men and women the world over. In Mariama Ba's work So Long a Letter, Ba creates two central and strong female characters who contradict the standard role of women in African communities dominated by Islamic doctrines, like that of Senegal. The author recognized the ... at a very early age. The rate of girls going to school is by far lower than that of boys. Parents' choices of investment in their children completely depend on their view of the latter's worth as adults. The relationship between Ramatoulaye (Rama), a Senegalese women, and her friend, Aissatou, who left the familiarity of Senegal for life in the United States after a divorce from here husband, is the ... in Senegal is simply an extension of the male dominated culture and regards the subjugation of women as a natural extension of this. Though this is true in part, each of the women in Ba's work appear to have been recruited into some kind of a sistership, and that their atrocities reflect both the positive and the negative of this kind of centrality, while underscoring the fact that many ...
- 25319: College Fraternities
- ... its members develop social, organizational, and study skills during college, and that teaches true, everlasting friendship. As a matter of fact, fraternities have a long tradition of high academic achievement, and most of our nation's presidents were members of a Greek association. According to Irving Klepper, the first fraternity (Phi Beta Kappa) was founded for "social and literary purposes" at the College of William and Mary in Williamsburg, Virginia on ... called Union Triad which was, in a large measure, the pattern for the American Fraternity system. By the end of the nineteenth century there were over thirty general fraternities in this country (pg. 18). Today's fraternities still have all the characteristics and precepts of the their past fraternities: "the charm and mystery of secrecy, a ritual, oaths of fidelity, a grip, a motto, a badge, a background of high idealism, a strong tie of friendship and comradeship, and urge for sharing its values through nationwide expansion." (Klepper pg. 18) In addition, today's fraternities help their members develop many skills which are used in and out of college. During membership in a fraternity, one must learn leadership skills, because the chapter has to be run in a ...
- 25320: Meth
- Methamphetamine is an amphetamine that has been used in treating narcolepsy, Parkinson's Disease, and obesity. When used illegally, this drug, which is also called crank, speed, ice, chalk, crystal, and glass, may cause a person to be paranoid and violent. Crank can be smoked, snorted, sniffed, injected, or swallowed, and looks like a pill, powder, or clear chalk crystals. The drug was first originally synthesized in 1887 by a German Scientist. Meth was forgotten until the 1930's when it was discovered that the drug could increase a person's blood pressure and was helpful in lung congestion. Meth is a very powerful stimulant. Very quickly the desire for the drug surpasses other interests- including the need for food, sleep, friends, sex, and family. ...
Search results 25311 - 25320 of 30573 matching essays
|
