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Charles Darwin's Theory Of Natural Selection

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Charles Darwin was a naturalist in the 1800’s that went to Christ College to study natural history. He was accepted for the Naturalist position on the HMS Beagle and soon was on a 5-year voyage around the world. He had an amazing opportunity to collect many specimens for his scientific study, but one of the most important stops was in the Galapagos Archipelago. His findings led him to speculate and found the revolutionary theory of evolution. Natural Selection is a notable part of Evolution, which is a very well known theory that is excepted by many scientist as fact. Even though Charles Darwin wrote about these processes over 150 years ago, there is still many people that do not believe in the theory of evolution. In relation to Evolution, natural selection is believe to be one of the major aspects that causes it and is honestly quite important. This is the process of adaptation and variation; it helps animals change to their varying environments. By allowing small and sometimes odd variations of a trait into the mix, the species can grow to have noticeable changes that can benefit that animal species. The change will be in that species’ favor because the weaker mate and their offspring will die off and not …show more content…

As a result of the isolation that this part of the species’ population has, they will adapt to their local environment. When it reaches a point of buildup in variation, the differences will be so vast that the isolated group cannot interbreed with the rest of the species. So the process ends with two different species and an example of this would be Darwin’s Finches. He categorized many of the birds he found in the Galapagos Islands but he realized the differences in the species that lived on different parts of the islands. Many of them had developed different shaped beaks and different sizes due to what food was most abundant in their local

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Scientific Concepts in “The Beak of The Finch” On an island in the middle of a volcanic archipelago, where Darwin first created theories on the idea of evolution, Peter and Rosemary Grant spend twenty years proving that Darwin did not understand the power of evolution. I now understand better how natural selection, hybridization, and adaptation work in the real world. When I first took biology freshman year I didn’t quite understand how natural selection and evolution were real. But, as you read this book you begin to learn that natural selection is not a rare thing nor does it work slow.

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An example of this, is with the different species of mockingbirds that are located on the different islands. The mockingbirds’ beaks differ

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The finches all looked similar but the main difference are their beaks. Divergent evolution states that “one ancestral stock evolves into two species, which continue to evolve and become less and less alike over time”. Darwin’s finches all evolved from a single ancestor that flew to the islands thousands of years ago. There are 13

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In 1856, a naturalist by the name of Charles Darwin developed a theory he called Natural Selection, or “Survival of the Fittest.” With this theory, Darwin defied all theologically and scientifically accepted beliefs, claiming that “species evolve from a more primitive species through the process of evolution or adaptation.” Natural selection can be defined simply as nature’s way of deciding which individual living creatures will adapt and prosper in not only the harsh wilderness, but in civilized societies as well. This theory remains as one of the most debatable and arguable topics of all time, one that opened the eyes and thoughts of the developed society to the natural world. However scientifically educated you may be, there is no debate

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Charles Darwin spent years upon years researching and experimenting his theory of natural selection and evolution. During the 1800’s Darwin had this belief that all living things arose from one common ancestor, however by saying this meant that he was questioning God’s creation of living things. Many were against Darwin when they heard this theory, because they were strong believers in God, and if they questioned that God is the creator, then everything they have ever believed in will no longer be true. Over the next couple of years, Darwin secretly experiments and creates theories to prove that natural selection and evolution is true. He creates a lot of evidence to prove what he is saying, however he is often doubted by friends, enemies, and family.

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The theory of evolution is significant to learn about for anyone who wants a better understanding of the natural world. Darwin’s theorized that organisms changed over time through natural selection. These changes could be physical or behavioral traits that help them to better survive in their environment and reproduce (Than, 2015). However, many see the theory of evolution as a controversial topic intruding on their religious beliefs. Natural selection says that given enough time more than just small changes to an organism can occur.

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Continuing the approach of natural selection, Darwin briefly summarizes the concept of sexual selection, which is a distinct aspect in species evolution. Having offspring is the key to a species continuation to exist, male entities with variations that allow them to get the attention of females are more likely to have mate and obtain more offspring than others. These beneficial carnal characteristics are also diversifications that would be passed onto the next generation. Darwin gives examples of approaches that species of male aviaries use to attract females: singing to their potential mates, displaying various brightly colored feathers, and performing shenanigans to attract attention. If any deviation in these characteristics were to give

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Thinking further and associated his observations with all these theories, which made more sense. Darwin observed that there were thirteen types of finches and the only differences between them were their beaks and that they each were suitable for the type of food they ate. Also observed, traits from parents can be passed to their offspring. The organisms had more offspring that their environment could “handle”. He noticed that resources were running out and that caused competition between groups.

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It was also seen that the finches with deeper beaks could eat the harder seeds easier than finches with shallow beaks. The drought left part of the island with hard seeds only. The birds with shallow beaks could not eat the harder seeds with ease. The population of birds with deeper beaks escalated since they have a higher rate of survival in this area. Then after measuring the finches’ beaks, they found that finches who had survived the drought were passing on their deeper beaks to their offspring (Boyd and Silk 2015:6-8).

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Seth Justus English 2 Mr. Johnson Project Eagle Paper on Charles Darwin Thesis Statement: Charles Darwin shaped evolutionary Biology into the way we see it today with his writings on how genetic variations of species between generations, how climate and many other things can cause variations between species, and just his idea of survival of the fittest in The Origin of Species. Primary Source: The Origin of Species The Origin of Species by Charles Darwin, published on November 24th 1859 is considered to be the foundation to evolutionary biology. The Origin of Species introduces the scientific theory that populations of species evolve over long periods of time through the process of Natural Selection.

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vNatural selection is the most popular theory by evolutionist, Charles Darwin. This theory is the belief that evolutionary change comes from organisms adapting to better fit with their environment, generation to generation. The variations that occur, give the organism a better chance of survival, ensuring that they can reproduce and pass on the trait to further generations. Eventually the variation will spread throughout the species. Natural selection can however be limited by several factors These factors include, the variation gene not being available, history not allowing the variation to develop or the trade-off of a variation creating a different problem for the animal.

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Thus, development of knowledge can be still interpreted to follow the principle of natural selection. In the example of Darwin’s theory, most of the religious people decided to reject the theory of evolution. This shows that Darwin’s theory is not adapted to that specific “environment”. When Darwin’s theory finally accepted by the community, this shows that there is a change in “environment”, in which desirable knowledge changes. This is why Darwin’s theory is accepted later.

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Natural selection is seen in the finches that Darwin studied on the Galapagos Islands. Environment and food supply changes caused the finches beaks to adapt in a unique way. Studies on Darwin’s finches show us that natural selection in a natural environment is interpretable, observable, and repeatable (Grant, 2003). Natural selection is representable in different types of birds such as the Island Scrub-jay. A study published in 2015 on these Island Scrub-Jays (Aphelocoma insularis) demonstrates examples of natural selection.

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In 1859, Charls Darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. Charles Darwin theory of natural selection is one of the corner stones of morden biology. The concept, published by Darwin and Alfred Russel Wallace in a joint presentation of papers in 1858, was elaborated in Darwins influencial 1859 book on the origins of species. Darwins ideas, along with Adam Smith and Karl Max had a profound influence on 19th century thought. The influence of Darwins theory has spread from evolutionary biology to other disciplines, including evolutionary computation, quantum Darwinism, evolutionary

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The Evolutionism or Creationism Debate The evolutionism-reationism debate has been going on for centuries among christians and scientists. However, creationism is said to have more logical proof of their points being the strongest. According to Charles Darwin, Natural selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin, and it is now regarded as be the main process that brings about evolution.

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