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Darwin's Theory Of Natural Selection

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“All humans have beliefs, which are concepts we hold to be true, even without evidence (Being Human, 2017).” Since millions of years ago, humans already had a concept of belief, whether it was God, a tree, start, those were proclaimed as knowledge. Knowledge is “a theoretical understanding of a subject (Merriam-webster.com, 2017).” When natural selection is used as a metaphor, it is comparing “knowledge” and “genes.” Natural selection is a process in which individuals of a population’s genes would mutate and pass down advantageous genes to adapt to the environment, survival of the fittest (Bbc.co.uk, 2017). In other words, the favored genes are “selected for”, and the less adaptive genes are “selected against.” The variation, heritability, …show more content…

Natural selection is a theory of evolution that is suggested by Charles Darwin, which is now widely believed. However, before Darwin, tere were many other pre-Darwinian ideas about evolution (O'Neil, 2017). One including the theory of the “Great Chain of Being.” It stated that “ God created an infinite and continuous series of life forms… and that all organisms, including humans, were created in their present form relatively recently and that they have remained unchanged since then.” Even though, it has limited research and supporting evidence, it was widely believed during the early 19th century and before, even leading biological scientist believed in it as well, including Carolus …show more content…

For example, during the Early and High Renaissance Era, it was the rebirth of classical culture and art, where previous trends were brought back into society (Wilder, 2017). If being put in terms of natural selection, it would be similar to saying that after generations, the unfavoured genes that are supposedly vanished suddenly reappear in multiple individual in a population, which this does not or rarely happen in evolution. Therefore, natural selection in this context could not be used as a metaphor. Also, these trends are not selected by the nature rather than humans, hence it is more relevant to artificial selection where humans intentionally breed plants and animals to have a desirable characteristic to

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The theme of the story shows that some traditions should not be kept or should change. In "The Lottery" the man of the house has to take a slip of paper and if the man has a black dot on his paper his family members will then choose a slip of paper and whoever has the black dot will be stoned by all the people in the town. The lottery has always been a tradition in the town including the black wooden box that held the pieces of paper, but at one point were wood chips. The lottery was conducted by Mr. Summers who every year wanted to get a new box for the lottery, but people of the town always disagreed. The villagers disagree because they do not want to upset the tradition that was represented by the black box.

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Even more so, a variation comes from an original trait that adapts to become a new trait. The reason certain species can or cannot do something is based on this idea of use or disuse of a variation to

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The theory of evolution was formulated by Charles Darwin who first formulated his theory in 1859, defined it as the “process by which organisms change over time because of changes in heritable physical or behavioral traits. Changes that allow an organism to better adapt to its environment will help it survive and have more offspring.” (Than, 2018) It is natural selection that decides what changes the organism needs so that those changes allow the organism to better adapt to its new environment, it is the biggest evolutionary mechanism. Its purpose is for evolutionary success to promote growing populations of the next generations to come.

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Darwin returns to the topic of natural selection and explains it more in depth. He uses his previous example of a breeder choosing the desirable traits in organisms to produce the perfect offspring. Humans alter the physical characteristics whereas nature can also modify internal characteristics. In natural selection, variations that are useful give organisms tend to be preserved and passed down while harmful ones are eliminated. Those that are neither harmful nor beneficial reappear every so often.

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Pros And Cons Of Natural Selection

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2 The Human I have called this principle, by which, each slight variation, if useful, is preserved, by the term of Natural Selection. … Natural selection will never produce in a being anything injurious to itself, for natural selection acts solely by and for the good of each – Charles R. Darwin, about evolution from The Origin of Species. Every living being is programmed to evolve.

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Charles Darwin came to understand that any population consists of individuals that are all slightly different from one another. Those individuals having a variation that gives them an advantage in staying alive long enough to successfully reproduce are the ones that pass on their traits more frequently to the next generation. Subsequently, their traits become more common and the population evolves. Darwin called this "descent with modification." [3] Darwin's use of the phrase "survival of the fittest" is often misinterpreted.

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Evolution is the continual change of heritable characteristics of a biological being over generations. It is said that the root of our evolutionary thinking goes back to Charles Darwin. He is known for being the first person to publish his theory of what is called Darwinism today, which is the theory of evolution of species by a mechanism called natural selection. Simply put, natural selection can be called ‘decent with modification’. Neo-Darwinism is the ‘modern syntheses’ of Darwinism with the inclusion of genetics, as Darwin did not know anything about genes.

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Over the many years that Charles Darwin spent developing his theory of descent with modification, a great span of individuals influenced his ideas, however I argue that none were more fundamental to the development of his theory than the works and BLAB of William Paley, Charles Lyell, and Thomas Malthus. William Paley’s Natural Theology which was centered on a argument of perfect design from a divine Creator. The idea of physical traits existing for a set function was integral to Darwin’s theory persisting through over twenty years of developing his theory. Natural theology at the time maintained an important connection between science and religion, that unified Darwin’s curiosity of the natural world and his Anglican faith (149). Later in his life Darwin began to see issues with “the assumption [by natural theology] that each species was perfectly adapted to its environment” (151), during his travels he had seen seemingly identical environments with completely different flora and fauna (151).

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Natural Selection is the long gradual process in which Biological traits either become more or less common in a population as a function of the effect of inherited traits on the differential reproductive success of organisms interacting with their environment. In Darwin’s work The Origin of Species he also mentioned evidence for the Theory of Evolution from his voyage around the world on The H.M.S. Beagle. The Origin of Species is probably the most influential work on evolutionary biology. The Origin of Species will help prove my thesis because it introduces the ideas that we base on evolutionary biology today.

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Natural selection is the process that allows organisms and species to adapt to their environment and allows the strongest and fittest to survive now better adapted. In humans, we have natural selection as well. Through evolution and natural selection negative traits that would not have been helpful to us were eliminated and keep good traits, to strengthen our chances of reproducing and surviving. Gene flow in its most simples form is what happens when genes are transferred between populations. Genetic drift is when alleles decrease but not as a result of selection bias.

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Charles Darwin became famous for his theory of natural selection. This theory suggests that a change in heritability traits takes place in a population over time. This is due to random mutations that occur in the genome of an individual organism, and offspring can inherit these mutations. This was defined as the key to evolution, this is because random mutations arise in the genome of an individual. Until the 19th century, the prevailing view in western societies was that differences between individuals of species were uninteresting departures from their platonic ideals of created kinds.

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His theory about natural selection was even less accepted. In looking at the speed with which natural selection pressed evolutionary change, he was influenced heavily by Charles Lyell’s advocating of gradualism: “Natural selection acts solely by accumulating slight successive favorable variations, it can produce no great or sudden modification; it can only by very short steps.” (“Charles Darwin”). It was only 1930, after The Genitical Theory of Natural Selection was produced, that Darwin’s work on natural selection selection became widely accepted by

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