Thursday, March 19, 2020

Life is a Journey Vs Life is a Battle Essays - Adler, Alfred Adler

Life is a Journey Vs Life is a Battle Essays - Adler, Alfred Adler Life is a Journey Vs. Life is a Battle English 100 Effective College English I Prof. Stef Donev April 20, 2012 Adult Education Mortimer J. Adler makes many points in Adult Education, that gives understanding of what being educated is. Not only does Adler claim that wisdom and maturity is gained later on in life, but is also determined with the life experiences that one surpasses and goes through. There are some strong points that Adler states, but there are quite a few of them I completely disagree on myself. In one of Adlers statements, he informs that even though you have a high school diploma or degree, they are not educated. Part of the matter why I agree on this, is for the reason that when people finish any type of schooling, they are handed a paper perceiving that they graduated but are still in my opinion, not educated. Therefore, this still does not give them a level of maturity that most people have. It all depends on ones life occurrences that determines their level of maturity. Adler states many things I can definitely agree upon. He explains in We all know, and no one can deny, that no child- in school or at the moment of graduation is an educated person (59) , that even though you graduate or earn a degree, it does not automatically signify that you are educated. For the reason being, he is saying this because there are more things to learn in life and things that one will experience as life goes on. Adler also clarifies that just because you have finished what you have been striving for in school, there are still things that one has not been educated with even after you have accomplished schooling. When Adler speaks of I do not care what their chronological age is, whether it is fifteen or twenty-two. If they are still within the walls of a school, college, or university, they are children. They are living a protected, and in many ways an artificial life (61) he strongly informs us this, for the reason being that children are still dependent amongst their parents or guardians. They are provided shelter, clothes, and still are kept from the cruel reality of what the world has to offer them. Adlers sayings are meaning that you have not yet experienced the level of maturity that older individuals have gone through. Therefore, people that are in school, graduated or individuals that have earned a degree still lack life experience. I agree with this because, I still have not yet faced or experienced the harsh life after schooling, noting that I still am in school myself. I also correspond to the fact that we all cant mature without aging. He says this in, We cannot be mature without being aged, and aged through pain and suffering and grief. This kind of suffering, children are spared, but they pay a price for being spared it. I also agree on the fact that we all cant mature without aging. They remain immature, irresponsible, and unserious, in the basic sense of the world. (61) I completely disagree that they wont remain irresponsible and unserious as Adler addressed, but will eventually overcome them as life goes on. An example of what some people lack experience in are having children, getting married, paying bills, going to work, having someone dependent on one another. These are the experiences that help you mature. aging is part of what makes us mature. (61), which Adler states in the article. Some may agree, and some may not but thats how life is, in my opinion. The unremitting process of a learning experience that Adler tries to portray, is one of the main and strongest points in all of this article. It takes a great number of years to gain wisdom. Even after school there are many things that people will encounter in life to gain the knowledge needed. But even though the years you take for reaching a proper education wont be as needed, it will take years to accommodate intelligence or be wise and that is the most important thing. Knowing that the education learned, it will still become an impact later on in life. I feel

Tuesday, March 3, 2020

Evolution of Eye Color in Humans

Evolution of Eye Color in Humans The earliest human ancestors are believed to have come from the continent of Africa. As primates adapted and then branched off into many different species on the tree of life, the lineage that eventually became our modern day human beings appeared. Since the equator cuts directly through the continent of Africa, the countries there receive almost direct sunlight all year long. This direct sunlight, with ultraviolet rays, and the warm temperatures it brings pressure for the natural selection of dark skin color. Pigments, like melanin in the skin, protect against these harmful rays of the sun. This kept individuals with darker skin alive longer and they would reproduce and pass down the dark-skinned genes to their offspring. Genetic Basis of Eye Color The main gene that controls eye color is relatively closely linked to the genes that cause skin color. It is believed that the ancient human ancestors all had dark brown or nearly black colored eyes and very dark hair (which is also controlled by linked genes to eye color and skin color). Even though brown eyes are still considered mostly dominant overall eye colors, there are several different eye colors readily seen now in the global population of human beings. So where did all of these eye colors come from? While evidence is still being collected, most scientists agree that the natural selection for the lighter eye colors is linked to the relaxation of selection for the darker skin tones. As human ancestors began to migrate to various places around the world, the pressure for selection of dark skin color was not as intense. Particularly unnecessary to human ancestors that settled in what are now the Western European nations, selection for dark skin and dark eyes was no longer necessary for survival. These much higher latitudes afforded different seasons and no direct sunlight like near the equator on the continent of Africa. Since the selection pressure was no longer as intense, genes were more likely to mutate. Eye color is a bit complex when talking about genetics. The color of human eyes is not dictated by a single gene like many of the other traits. It is instead considered a polygenic trait, meaning there are several different genes on various chromosomes that carry information about what eye color an individual should possess. These genes, when expressed, then blend together to make various shades of different colors. Relaxed selection for dark eye color also allowed more mutations to take hold. This created even more alleles available to combine together in the gene pool to create different eye colors. Individuals who can trace their ancestors to Western European countries generally have a lighter skin color and lighter eye color than those from other parts of the world. Some of these individuals also have shown parts of their DNA that were very similar to those of the long-extinct Neanderthal lineage. Neanderthals were thought to have lighter hair and eye colors than their Homo sapien cousins. The Continuing of Evolution New eye colors could possibly continue to evolve as mutations build up over time. Also, as individuals of various shades of eye colors breed with one another, the blending of those polygenic traits may also result in the emergence of new shades of eye color. Sexual selection may also explain some of the different eye colors that have popped up over time. Mating, in humans, tends to be non-random and as a species, we are able to choose our mates based on desirable characteristics. Some individuals may find one eye color much more appealing over another and choose a mate with that color of eyes. Then, those genes are passed down to their offspring and continue to be available in the gene pool.