Evoloution of Polar Bears (Lamarck vs Darwin) Essay

The Polar Bear (Ursus maritimus) is a bear native largely within the Arctic Circle encircling the Arctic Ocean, its surrounding seas and land masses. Although it is closely related to the Brown Bear, it has evolved to occupy a narrower ecological forte, with many body characteristics adapted for cold temperatures, for moving across snow, ice, and open water, and for hunting the seals which make up most of its diet. Though there are many theories surrounding evolution, the two stand outstanding hypotheses applying to the modification from Brown Bear to Polar Bear are Lamarck’s theory of Use and Disuse, and Darwin’s theory of Natural Selection. The intention of this paper is to compare these thesis and determine the most appropriate in†¦show more content†¦In 1977 a drought reduced the number of small seeds available for the birds, forcing them to rely on larger seeds and nuts, which were difficult for birds with smaller beaks to open. The number of birds unable to eat reduced as they died and gave way to harder beaked finches. Within a couple of generations they had evolved larger beaks. In 2003 another drought struck the Galapagos and as there were many large beaked finches, the food source of nuts dwindled, making the ability to eat smaller seeds an asset. The numbers of larger beaked birds dwindled as food became scarce, leaving the smaller birds to survive and reproduce. Darwin’s theory was not well received when first written in On the Origin of Species, though many scientists today use it as a basis for research in evolution. Both theories suggest that a species changes over time to be able to better adapt to an environment. Though Lamarck thought that the entire population of that species would evolve as one, i.e. all offspring changes together with same adaptation. Darwin concluded that only the specimen with the mutation or an altered version of a feature to evolve a species as they would be able to adapt and survive easier than those without it, thus causing the â€Å"unevolved† to die off while the â€Å"evolved† lived. Over many many generations the species keeps evolving until it has perfected the new trait, also becoming a new

Introduction to counselling Free Essays

Counseling Skills Day one was one of nerves mixed with anticipation. I already told myself not to have an expectation Just to turn up openly and approach the course as I progress. The Introduction was as expected, Mrs. We will write a custom essay sample on Introduction to counselling or any similar topic only for you Order Now ./Miss Rachel Ellis, our tutor introduces herself then explain her she will like us to get to know each other for 10 minutes then talk about the person who Just told you about them self. We were sat in a semi-circle awards the front of the class. It was a matter of Just the person next to you In an anta-clock wise manner. Sitting to my right was fellow student Citrine (CIA) happily married, two kids, employed and was on the course as a matter of exploring. As Citrine and I were the two last persons to Introduce each other, we had the opportunity to listen and establish what background the other students/landfalls and possible the â€Å"driving force† behind the course. As expected It was a diverse, In seasons and profession, and this for me was a really good thing within. Although the reasoning was diverse due to the diversity of employment, not until the end I realize the goals were common. Everyone just wanted to reach out to others in some way. This was made clear through communicating and relating to other members of the group conducting various exercises. Mainly, the points of reflection study/discussion sessions. With all this said a few of the fundamental things I were reminded of/ earn of today was the important aspects confidentiality issues, especially in the training group. In addition I’m able to recognize the importance of building a relationship with others within our group. With these two, other members will be more expressive (openness) and therefore there will be more rewarding for all concerns. Finally, I can apply the study skills to reflect on my learning. How to cite Introduction to counselling, Papers

Mozart Essays (622 words) - Classical Music, Music, Mozart Family

Mozart I'm writing my paper on Wolfgang Amadeus Mozart. I will be talking about his life and his music. I will tell you a little bit about his father, wife, and son. Mozart was the leading composer of the Classical Age. He wrote many different types of music. He was the best composer of his time. Mozart was born in Salzburg, Austria on January 27, 1756. He was around music his entire life. By the age of three, he had begun to show a love of music. He would listen to his sister play the piano for hours at a time. Then he would get up on the bench and try it himself. He loved to watch and learn from his sister. When Mozart was five, he was already doing plays. He took part in a comedy called Sigismundus Hungariae Rex. Just after this he began to travel around Europe to play pieces of his music for kings. By this time in his life, he was already composing operas for the theartre. Mozart composed over six-hundred pieces, some of which he composed by the age of fourteen. He appreciated music because his father also loved and appreciated music. His father's name was Leopold. Leopold was a great composer as well as a leader of a social party. Mozart and his father traveled together to play music. His sister Nannerl, whom Mozart had listened to in his child years, usually came along to support and cheer for her little brother. Leopold and Mozart had different styles of music. Leopold only composed religious music. Mozart wrote operas, symphonys, church music, concertos, and also serenades. He excelled in all types of music. Mozart never rewrote any of his work. It was always perfect the first time. He never recopied his work either. There was only one original copy of each of his works. Now of course they have been recopied and sold in stores for other musicians today. People loved to be around Mozart. He had a wonderful sense of humor. He loved to make people laugh, or at least try to. On the other hand, Mozart was sometimes depressed and mad. He would sit in his room and just write music all day. Mozart's music was mostly cheerful. He also composed deeply serious music. He was able to write anything he wanted to. He would just set his mind to it and compose away. He loved music. At this time, the piano was very new. It was played widely by amateur composers. Mozart greatly contributed to making the piano forte a very popular instrument. By the time he was in his late twenties, Mozart was traveling a lot. He would play for royalty, the rich, and also the public. He would travel so often that it eventually affected his health. He would become very sick at times. Mozart had a wife and son. His wife was Constanze Mozart. Her maiden name was Weber. She was born in Zell, Austria. She died an old woman in Salzburg in the year 1842. Mozart's son was named Franz Xaver Wolfgang Mozart. He was later known as Wolfgang Amadeus, after his father. He was born the year his father died in Vienna in 1791. He died at the age of fifty-three in Carlsbad in 1844. Wolfgang Amadeus Mozart died in Vienna in 1791. He died in his bed from pnemonia. His wife and family could not afford a proper burial so they threw him in a large hole with ten other people. He was wrapped in cloth so he wouldn't rot and smell bad. He was buried in an unmarked grave. Even today nobody knows where he rests in peace. We will probably never know. I think that Mozart was an interesting man. I enjoy listening to his symphonys and operas when I get the chance to. I would definetly recommend doing a report on Mozart to a frien. He was a pretty neat person.

Indian Consumers essays

Indian Consumers essays In the ancient civilization of India, sustainability and moderation in consumption has always been a way of life. This pattern has been respected and left largely undisturbed by Indian consumers who consider themselves a part of the cycle of nature. An interactive relationship with nature and the natural environment is a part of every Indians life. In the past half century, India has made rapid strides in economic development. This, coupled with demographic pressures, a gigantic middle-class known to be the largest market in the world, and the free entry of global players into the Indian consumer market have changed the consumer scene completely. A new consumer culture has emerged from all theses changes taking place around him. It is not just the quantity of consumption and spending that has undergone a change but also the attitude of consumers towards consumption and the reasons to consume. Indian Consumer in Historical Context India, an ancient civilization, has existed for more than 4,000 years and over this time has held immense appeal to invaders and explorers alike. From the ancient Aryans, the Greeks, the Persians (the Mughals), to the most recent British, India has had a multitude of cultures invade and make her their home in different periods of time. These invasions time and again have influenced the consumption pattern of the Indians to a large extent. Mughal political domination of North India began in the sixteenth century and lasted through most of the nineteenth century. The Mughals, who were Muslim rulers, belonged to Persia, and found that the India they took control over, was very different in cultural landscape from Persia. Indians followed a different religion (Hinduism), Indian languages were based on an ancient Indian language (Sanskrit), which was very different from Persian, and tastes in music and the arts were also very distinct from those in Persia. Muslim rule necessitated accommodation with ...

Timeline of Major Events in the History of Persia

Timeline of Major Events in the History of Persia This Persia timeline of major events is based on a Library of Congress Persia timeline. For an introduction to this area now generally known as Iran see Extent of the Persian Empire: An Introduction to Ancient Persia and the Persian Empire. Iran (Persia) Timeline of Important Events Early Historyc. 3400 B.C.Elamite kingdom emerges in southwestern Iran and Mesopotamia.c. 2000 B.C.Nomadic peoples Scythians, Medes, and Persians move from Central Asia to Iranian plateau. [See Tribes of the Ancient Steppes.]6th Century B.C.c. 553-550 B.C. Cyrus II (Cyrus the Great) overthrows Median king; becomes ruler of Persia and Media; founds Achaemenid Empire.539 B.C.Cyrus captures Babylon, releases Jews from captivity.525 B.C.Cyruss son Cambyses II conquers Egypt.522 B.C.Darius I becomes king; re-establishes and extends empire, carries out administrative reorganization.5th Century B.C.490 B.C. Darius invades Greek mainland; defeated at the Battle of Marathon.4th Century B.C.334 B.C. Alexander the Great begins Persian campaign; completes conquest of Persia and Mesoptamia, 330 B.C.323 B.C.Death of Alexander; division of empire among generals; Seleucids emerge as principal heirs in Iran.3rd Century B.C.247 B.C. Parthians overthrow Seleucids; establish own dynasty.3rd Century A.D .A.D. 224 Ardeshir overthrows last Parthian ruler; establishes Sassanian dynasty with capital at Ctesiphon.A.D. 260Shahpur I wages campaign against Romans, takes emperor Valerian captive. 7th Century637 Muslim armies capture Ctesiphon, Sassanian Empire begins to crumble.641-42 Sassanian army defeated at Nahavand; Iran comes under Muslim rule. Related AchaemenidsSeleucidsThe Parthian EmpireThe SassanidsProblems of Historical Evidence About Ancient PersiaTimeline of the Greco-Persian Wars

Global health Assignment Example | Topics and Well Written Essays - 500 words

Global health - Assignment Example Secondly, the most vulnerable population should be protected and prioritized than the invulnerable ones. This includes the poor who have less access to medical facilities and have a difficulty in affording these services. Making these facilities available and affordable for them can be a huge step towards effective health care. Statement: The WHO report (2012) shows that over 6.6 million children under 5 years died in Africa, especially in third world countries. Increasing the medical care facilities for children can help reduce the death of the future generation. Statement: In 2008, CDC declared that the statistics of mortality at birth in Africa has gone high in developing countries and that there is need to reduce the risk of both the mother and the child of dying. The Pregnancy risk assessment program (PRAP) is an initiative that would see less annual mortality at birth. Statement: Mubi (2013) notes that Malaria claims about 0.66 million people among them children along the coastal regions of the world. This high rate of death costs the economy and should be avoided at all cost. Providing adequate medical supply within these areas would help improve the situation. Statement: Mudur (2003) notes that over 85% of India is covered by water and that this has resulted in the prevalence of waterborne diseases within this country. Hence, it is crucial to control the impact of diseases such as diarrhea and typhoid by increasing medical care in this environment. Statement: Research by Mabey and Mayaud (2004) indicates that developing countries spend over 13% of their economy budget on STD. As the number of reported cases increases every year, it would be vital to launch awareness campaigns to reduce the infection rate. Statement: In the near dry regions of the world, most communities cannot afford medical care and the death rate in these regions is very high. Providing free medical insurance will make health services free for them. Statement:

Reading To a Child Everyday and Language Development Essay

Reading To a Child Everyday and Language Development - Essay Example Nativist perspective: This theory was suggested by Noam Chomsky and has remained significant in understanding language acquisition in children. The nativist perspective postulates that children learn through their innate ability to organize language laws. However, the theory acknowledges that children cannot utilize their ability to organize and utilize language laws in the absence of adults. Based on this theory, children have in-born Language Acquisition Device embedded in their brains, which enable them to learn language skills as they grow (Martin, Fabes & Fabes, 2009). Social interactionist theory: This theory emphasizes on the environment and context in which language is acquired. According to this theory, pragmatics of a language precedes grammar. Children and adults live in a negotiated environment where there is likelihood of feedbacks. As such, language develops through one’s negotiation of his or her environment (Martin, Fabes & Fabes, 2009). Language development stems from children’s desire to learn and share new information with others. The theory argues that language acquisition takes both biological and social dimensions. Cognitive theory: In this theory, Jean Piaget postulated that symbols and structures constitute language and becomes exposed as children’s brains develop. Consequently, language is a mental activity. Piaget’s cognitive theory on how a child’s brain develops has for a long time been influential in shaping educational theory (Ellis, 2006; Pütz, 2001).