Mesozoic Era - the Geologic Time Scale

Mesozoic Era - the Geologic Time Scale Following both the Precambrian Time and the Paleozoic Era on the Geologic Time Scale came the Mesozoic Era. The Mesozoic Era is sometimes called the age of the dinosaurs because dinosaurs were the dominant animals for much of the era. The Permian Extinction After the Permian Extinction wiped out over 95% of ocean-dwelling species and 70% of land species, the new Mesozoic Era began about 250 million years ago. The first period of the era was called the Triassic Period. The first big change was seen in the types of plants that dominated the land. Most of the species of plants that survived the Permian Extinction were plants that had enclosed seeds, like gymnosperms. The Paleozoic Era Since most of the life in the oceans became extinct at the end of the Paleozoic Era, many new species emerged as dominant. New types of corals appeared, along with water-dwelling reptiles. Very few types of fish remained after the mass extinction, but those that did survive flourished. On land, the amphibians and small reptiles like turtles were dominant during the early Triassic Period. By the end of the period, small dinosaurs began to emerge. The Jurassic Period After the end of the Triassic Period, the Jurassic Period began. Most of the marine life in the Jurassic Period stayed the same as it was in the Triassic Period. There were a few more species of fish that appeared, and toward the end of the period, crocodiles came into being. The most diversity occurred in plankton species. Land Animals Land animals during the Jurassic Period had more diversity. Dinosaurs got much bigger and the herbivorous dinosaurs ruled the Earth. At the end of the Jurassic Period, birds evolved from dinosaurs. The climate changed to more tropical weather with a lot of rain and humidity during the Jurassic Period. This allowed land plants to undergo a large evolution. In fact, jungles covered much of the land with many conifers in higher elevations. The Mesozoic Era The last of the periods within the Mesozoic Era was called the Cretaceous Period. The Cretaceous Period saw the rise of flowering plants on land. They were helped along by the newly formed bee species and the warm and tropical climate. Conifers were still really abundant throughout the Cretaceous Period as well. The Cretaceous Period   As for marine animals during the Cretaceous Period, sharks and rays became commonplace. The echinoderms that survived the Permian Extinction, like starfish, also became abundant during the Cretaceous Period. On land, the first small mammals started to appear during the Cretaceous Period. Marsupials evolved first, and then other mammals. More birds evolved, and reptiles got bigger. Dinosaurs were still dominant, and carnivorous dinosaurs were more prevalent. Another Mass Extinction At the end of the Cretaceous Period, and the end of the Mesozoic Era came another mass extinction. This extinction is generally called the K-T Extinction. The K comes from the German abbreviation for Cretaceous, and the T is from the next period on the Geologic Time Scale - the Tertiary Period of the Cenozoic Era. This extinction took out all dinosaurs, except birds, and many other forms of life on Earth. There are different ideas as to why this mass extinction occurred. Most scientists agree it was some sort of catastrophic event that caused this extinction. Various hypotheses include massive volcanic eruptions that shot dust into the air and caused less sunlight to reach the surface of the Earth causing photosynthetic organisms like plants and those who depended on them, to die off slowly. Some others believe a meteor hit causing the dust to block the sunlight. Since plants and animals that ate plants died off, this caused top predators like carnivorous dinosaurs to also perish.

William Wordsworths Daffodils Poem

William Wordsworths Daffodils Poem William Wordsworth (1770-1850) was a British poet who is known, along with friend Samuel Taylor Coleridge, for writing the collection Lyrical Ballads and a Few Other Poems. This set of poems embodied a style that was a break from the traditional epic poetry of the time and helped to launch what became known as the Romantic era. Wordsworths preface to the 1798 publication includes his famous argument in favor of common speech within poetry so that they would be accessible to more people. Poems from Lyrical Ballads include Coleridges best-known work, The Rime of the Ancient Mariner and one of Wordsworths more controversial pieces, Lines Written a Few Miles above Tintern Abbey. Wordsworths most critically-acclaimed work is the massive poem The Prelude, which he worked on throughout his life and which was published posthumously. But its perhaps his simple musing on a field of yellow flowers that became Wordsworths best-known and most-recited poem. I Wandered Lonely As a Cloud was written in 1802 after the poet and his sister happened upon a field of daffodils during a walk.   Life of William Wordsworth Born in 1770 in Cockermouth, Cumbria, Wordsworth was the second of five children. Both his parents died when he was young, and he was separated from his siblings, but later reunited with his sister Dorothy, with whom he remained close for the rest of his life.   In 1795 he met fellow poet Coleridge, beginning a  friendship and collaboration that would not only inform his work but his philosophical outlook as well. Both Wordsworths wife Mary and his sister Dorothy also influenced his work and his outlook.   Wordsworth was named Englands Poet Laureate in 1843, but in a strange twist of fate, ended up not writing anything while he held the honorary title.   Analysis of I Wandered Lonely As a Cloud This poems simple and straightforward language doesnt have much in the way of hidden meaning or symbolism  but reflects Wordsworths deep appreciation for nature. Before graduating from college, Wordsworth went on a walking tour of Europe, which inspired his interest in natural beauty as well as the common man.   Complete Text Here is the complete text of William Wordsworths I Wandered Lonely As a Cloud aka Daffodils   I wandered lonely as a cloudThat floats on high oer vales and hills,When all at once I saw a crowd,A host, of golden daffodils;Beside the lake, beneath the trees,Fluttering and dancing in the breeze.Continuous as the stars that shineAnd twinkle on the milky way,They stretched in never-ending lineAlong the margin of a bay:Ten thousand saw I at a glance,Tossing their heads in sprightly dance.The waves beside them danced; but theyOut-did the sparkling waves in glee:A poet could not but be gay,In such a jocund company:I gazed - and gazed - but little thoughtWhat wealth the show to me had brought:For oft, when on my couch I lieIn vacant or in pensive mood,They flash upon that inward eyeWhich is the bliss of solitude;And then my heart with pleasure fills,And dances with the daffodils.

SCM Essay Example | Topics and Well Written Essays - 750 words

SCM - Essay Example There are various ways by which optimization of logistical networks can be achieved. SCM is therefore composed of several philosophies on how best to achieve its objectives of a fully-integrated chain of activities encompassing the movement of raw materials, the internal processing of these materials into finished goods inventory and shipping out these products into the market in the fastest and most efficient manner to achieve strategic marketing aims. This paper tackles the two types of systems commonly used today – the JIT and the MRP. Discussion The strategic concept of supply chain management lies in the realization that no single business entity is an island and cannot function optimally if it works entirely alone. The SCM idea is anchored on the dictum that a company providing products or services is nothing but a chain of continually evolving capabilities in a globalized marketplace (Jespersen and Skjott-Larsen, 2005:50); it combines its capabilities with the capabilit ies of other firms it deals with. Any discussion of supply chain management involves the subject of logistics. ... Logistics is a way to achieve superior customer service through a precise method of inventory management attained through having the right materials at the right time in the right quantities at a lowest possible cost at the right place. This obsession to have everything right is contained in the JIT or just-in-time management originally developed by Toyota Motors Corporation of Japan. The just-in-time philosophy - of inventory management is anchored on the simple but very profound idea that inventory supplies should not be delivered yet until when required. It therefore presupposes an efficient supply chain that delivers the needed materials just in time when these are needed at the precise moment during the production process to avoid a costly stock-out that disrupts entire production and raises costs or lowers profits. A guiding principle behind this seemingly simple idea is to let demand determine the supply. This simply means a part or material needed will be delivered only at th e precise moment it is needed, not a second earlier or a second later. Benefits of using JIT include smaller storage areas, lower operating capital needed for inventories and minimize need for big buffer stocks (Hensher, 2001:90). Another philosophy underpinning the JIT system is the pull concept of operating costs wherever along the chain. Besides determining the supply through the pull of the demand for a particular inventory item necessary for input in the next production process, JIT places a big emphasis on suppliers to the market a product that is affordable; their profits depend to large extent on internal operational efficiencies that allows profits at a price set by the customer.

ASA Questions Essay Example | Topics and Well Written Essays - 500 words

ASA Questions - Essay Example ASA automatically allows the flow of packets from this high level to the lower un-trusted level without the need for an ACL explicitly allowing for the packet flow. (Santos, 2010) The un-trusted network, usually an outside network is allocated the lowest security level, 0, given its low network level beside the fact that it is the least trusted of all the network zones. ASA by default assigns the outside network security level of zero and automatically limits the flow of network packets from this level to the higher levels`. This security zone falls between the higher level and the lower level and is automatically assigned an even number between 0 and 100 given that it is somewhat trusted and un-trusted at the same time. (Frahim, 2010) User exec is the first level of access in the commend line interface used for changing terminal setting, listing system information and performing basic tasks. It uses AP> or Router > to prompt and logout command to exit. This CLI mode should be password protected to prevent unauthorized use. It is accessed from the user exec mode by issuing the enable command. This mode has a privileged command set which include those at the user exec mode. To exit the mode, disable command is used. (Frahim, 2010) This mode has commands that apply to features that affect the device as a whole. In order to access the global configuration mode, configure command is entered from the Privileged EXEC mode. Exit or end commands can be used to exit the global configuration mode. This configuration mode is used to modify the configuration of the interface. The commands used in this mode usually follow global configuration command used to define the interface type. In order to configure the interface using this mode, terminal is specified from the global configuration mode followed by the specification of the

Elderly Warned About Social Security Scams :: essays research papers

Elderly warned about Social Security scams WASHINGTON (AP) -- Elderly Americans should be careful about giving out their Social Security numbers, officials warned Tuesday after arresting a man who sent out letters offering an extra check to senior citizens who send back money or their bank account and Social Security numbers. "People should be really cautious about who they give their personal information to, especially their Social Security number," said Social Security Administration spokeswoman Cathy Noe. Special agents from the Social Security inspector general's office arrested Anthony David Williams, 32, in Phoenix Monday night. Williams is accused of misrepresenting himself as a government employee to defraud retirees and disabled Americans receiving Social Security benefits. He is charged with mail fraud. Calls to Phoenix phone numbers associated with Williams' businesses and to his lawyer on Tuesday were not immediately returned. Williams allegedly mailed out letters on a likeness of Social Security stationery, often following up with phone calls, according to an affidavit filed in U.S. District Court in Phoenix. "According to our records you are entitled to receive an additional check from Social Security each month," one version of the letter said. "These extra income benefits could give you up to an additional $514 per month." Recipients were asked to send a "filing fee" of varying amounts up to $23, or to fill out a form including their Social Security and bank account numbers so the fee could be "automatically deducted." The mailings were signed by "Donald Jenkins" of the "Winning Advantage Program, SSI-SSA" -- an alias used by Williams, who is British but applied last year to become a permanent U.S. legal resident. Social Security recipients usually do get letters from the government when their benefits go up. Other legitimate mailings that people get from Social Security include a new statement of taxes paid and future benefits due, which every American worker over age 25 will receive by the end of next year. "But we never ask for money for a processing fee," said Noe. The federal government also does not normally ask for someone's Social Security number -- they already know it. Indeed, Social Security prints that number as an identifier on mailings about a person's benefits. Social Security numbers are the most widely used ID in the private sector as well -- requested on the forms people fill out for everything from college registrations to bank slips.

Shivaji

Chhatrapati Shivaji Chatrapati Shivaji Maharaj was the founder of the Maratha Empire in western India. He is considered to be one of the greatest warriors of his time and even today, stories of his exploits are narrated as a part of the folklore. King Shivaji used the guerrilla tactics to capture a part of, the then, dominant Mughal empire. Read this biography to get more information on the warrior and his life history: Early Life Shivaji was born on 19th February 1630, to Sahaji and his wife, Jijabai, in the Shivneri Fort, situated almost 60 km to the north of Pune.He was named as Shiva, after the local Goddess Shivai, to whom his mother Jijabai had prayed for a son. After being defeated by the combined forces of the Mughals and Adil Shah, Sahaji was offered a jagir near the present-day Bangalore. However, he was allowed to keep his holdings in Pune. So, Sahaji left his son Shivaji to manage the Pune holdings, under the care of his mother Jijabai. With a small council of ministers, Shivaji began managing his estate. His ministers included Shamrao Nilkanth as Peshwa, Balkrishna Pant as Muzumdar, Raghunath Ballal as Sabnis and Sonopant as Dabir.At the same time, Kanhoji Jedhe and Baji Pasalkar were appointed to look after Shivaji's training. In the year 1644, Shivaji undertook full administrative responsibilities of his estate. Thus was started his career as an independent young prince of a small kingdom. His mother, Jijabai, was instrumental in instilling in Shivaji's mind a love for independence and distaste for external political domination. Career The first aggression in the life of Shivaji came at the age of sixteen, when he seized the Torna fort of Bijapur kingdom. By 1647, he had gained control over Kondana and Rajgad forts, with complete power of the Pune region.With time, Chhatrapati Shivaji Maharaj secured the forts in the Western Ghats as well as those along the Konkan coast. Shivaji also fought against the army of Adilshah at Purandhar. In November 1 659, he fought the battle of Pratapgarh and defeated Afzal Khan. Immediately after this success, King Shivaji occupied the area stretching upto the Panhala fort. The battle of Kolhapur took place in December 1659. In the battle, Shivaji crushed the army of Bijapuri general, Rustemjaman. In 1660, Siddi Johar's huge and daunting army attacked him at Panhala fort.Shivaji managed to escape from the fort. However, he soon launched an attack on Siddi Johar. The result was the surrender of Panhala and a truce between Shivaji and Adilshah. After the death of Adilshah, Aurangzeb attacked Golconda and Bijapur. Shivaji used guerilla-style tactics and captured more and more of the Bijapuri and Mughal territories. However, by 1663, he had lost most of his conquests to the Mughal army. In the next few years, Shivaji again started seizing forts belonging to both Mughals as well as those of Bijapur. Aurangzeb sent Jai Singh, his Hindu general, to capture Shivaji.Shivaji surrendered to Jai Singh at Purander in 1665 and agreed becoming a Mughal vassal. In 1666, he managed to escape form his house arrest in Agra and lay low for the next few years. However, in January 1670, Shivaji launched an attack on Mughal garrisons in Maharashtra. Within a period of six months, he won back most of his lost empire. The period of 1670 to 1674 was spent by Shivaji Maharaj in expanding his empire at the cost of the Mughals. In 1670, Shivaji launched an assault, under his General – Tanaji Malusare, to capture Kondana fort on the outskirts of Pune.The battle was won but he lost Tanaji. In the honor of Tanaji, the Kondana fort was renamed as Sinhagad. Shivaji was formally crowned as Chatrapati (meaning the Chief, Head or King of Kshatriyas) in June 1674 at the Raigad fort. He was given the title of Kshatriya Kulavantas Simhasanadheeshwar Chhatrapati Shivaji Maharaj. The end of 1676 saw Shivaji commencing attacks in the southern parts of India. Death and Succession Shivaji breathed his last o n 3rd April 1680 in the Raigad fort, the capital for Maratha Empire. He was succeeded by his elder son, Sambhaji.

Prejudice Against Native Americans Essay - 914 Words

Prejudice Against Native Americans These people began migrating thirty thousand years before Christopher Colombus quot;discoveredquot; the Americas. Native Americans migrated from Asia, crossing a land bridge where the Bering Strait off the coast of Alaska is today. Over the centuries these people spread throughout the continents of North and South America. Since the arrival of the Europeans in 1492 the American Indian has been dehumanized, decivilized and redefined into terms that represent a dominate European view. The Spanish explorers under Colombus were the first to use the terms quot;Indianquot; to mean a Native American. These explorers were under the false impression that the had reached the West Indies. This†¦show more content†¦The Europenas knew nothing of the new civilizations they encountered. Most Native American tribes viewed the lands they occupied to be no one mans property. They believied that they were alowed to occupy it by the grace of the quot;Great Spiritquot;, in return the tribes took care of the land the used. Usually Native Americans harbored a great respect for the land they were allowed to use . When the European leaders attempted to purchase this land from the tribes the Native American leaders often thought they did not have the authority to sell the land. In their view the land wasnt theirs to sell. Often times, payment offered was refused because of this view The Europeans, on the other hand, did not understand or care to understandthe Native American way of life, culture or philosophy. Instead, they saw the land as a great buisness oppurtunity to be bought and sold. Sometimes payment was accepted because the American Indians did not fully understand the consequence or implications of the sale. It was difficult for the Indians to comprehend the ownership of land because in their view the land would always be avaliable for everyone to use. Europeans feared these new people with a seemingly savage way of life. The dances and othe cultural traditions that Native Americans practiced were extremely abstract and foreign to the European settlers. These displays ofShow MoreRelatedEthnic Groups and Discrimination- Native Americans791 Words   |  4 PagesEthnic Groups and Discrimination Native Americans The ethnic group that I choose was Native Americans. I am of Caucasian descendant with Native American from my dad’s side. I really want to learn more about my heritage and family background. The Native Americans didn’t participate in discrimination; they were affected by people discriminating against them. The immigration of Indian American has taken place in several waves since the first Indian American came to the United States in the 1700’sRead MoreAnalysis Of The Movie Old News By Deborah Miranda Essay1305 Words   |  6 Pagesgain. That is what happened to Native Americans over the course of American history. 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