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The Evolution Site The theory of evolution through natural selection is the unifying force of modern biology. It connects disciplines such as genetics, palaeontology and microbiology. However the study of evolutionary theory is often controversial, and the misinformation that results can confuse people about the fundamentals of evolution. This site explains the fundamental concepts. What is Evolution? The current conception of evolution focuses on the gradual and cumulative changes that happen within populations over time. These changes are caused by natural selection, a process that increases the amount of organisms that have traits that are beneficial and help them survive and reproduce in a specific environment. In turn, these organisms produce more offspring than those that don't possess the beneficial characteristics. This can result in a genetic mutation which could eventually lead to the creation of new species. The term “evolution” is often associated with the notion of “survival of the fittest” which means that people who are most well-adapted to a particular environment will be more successful than those who aren't well-adapted. This is only one of the many ways that evolution can happen. Another way to use the term “evolution” is to suggest that species will progress from one state to the next. This type of view of evolution is called anagenetic or cladogenesis. This theory is not supported by the definition of evolution in science. The evolutionary theory that scientists have developed changes focuses on the changes that occur in populations over time. These changes are the result of mutations that result from natural selection and genomic variation. Some scientists, such as the great Charles Darwin, advocated this theory of evolution. Alfred Russel Wallace who developed the macroevolution theory believed that this was only way the higher living forms could have evolved. A theory must stand against rigorous tests and evidence in order to be considered a theory. Evolution has stood the test of time, and has been backed by many scientific disciplines, from biology to geology, chemistry to astronomy. Evolution is a fundamental concept in science and is supported by the majority of scientists around the globe. However, many people have misconceptions about the nature of the theory of evolution, specifically how it relates to religion. What is the Theory of Evolution (Evolutionary Theory)? Evolution is the scientific explanation of the way living things change over time. It is based on a variety of well-established observations such as the fact that more offspring are often produced than could possibly survive; that individuals differ from one another in their physical characteristics (phenotype) and that various traits confer varying rates of reproduction and survival and can be passed down to the next generation. These findings are backed by a growing amount of evidence drawn from molecular biology, palaeontology and climatology functional morphology geology. The theory of evolution based on natural selection was conceived independently by Charles Darwin and Alfred Russel Wallace in the late 19th century to provide an explanation for how organisms adapt to their physical and biological environments. It is the most widely supported and tested theory in science. Its predictions have been borne out by the fact that, for example complex organisms are more likely to have less genetic mutations than simpler ones. The more successful an organism becomes in terms of surviving and reproducing the more likely it will pass its genes on to the next generation. Some people are against evolution because they think it implies there is no reason for existence. However, many scientists who are also religious like the famous Cambridge Palaeontologist Simon Conway Morris, believe that evolution is not just compatible with faith in God but can be enhanced by it (BioLogos 2014). In reality, a large number of highly qualified evolutionary biologists, some of who are revered evangelical Christian leaders are involved in the development and testing of the theory of evolution. Many of these scientists contributed to the understanding a vast array of phenomena, such as phylogenetics and genomics, and also the formation and function of fossils. The word “theory” that is often misinterpreted refers to scientific hypothesis that has been tested and refined over time. Scientists test their hypotheses by repeating the experiment or observations that resulted in them. Thus, the theory of evolution has been repeatedly tested out and so have the theories of Copernican, atomic and germ theory. What is the Process of Evolution? The process of evolution is a gradual change in the proportions of genetically different individuals within a particular species over time. This change is a result of natural selection, which favors those who are more adapted to their environment. The better-adapted individuals have a higher chance of survival and reproduction. As more of these people survive and reproduce their genes become more common in the population. This process is sometimes called “survival for the strongest.” According to 에볼루션 게이밍 of evolution the mutations that result in genomic variation are the raw material for evolution. These mutations may occur at random or under the influence of the environment. If mutations occur in a random manner, the allele frequencies can vary from generation-to-generation. In contrast, when the mutation is beneficial it increases the frequency of the allele, which causes it to spread through the population. Over time, these changes in allele frequencies can lead to the formation of new species. The new species will develop and evolve into new forms. This process is called macroevolution. The development of an entirely new species is typically caused by changes in the environment that allow certain kinds of resources to become available or cause new environmental problems. The evolution of finches in Galapagos Islands, for example, is due to the availability of new foods and the necessity to defend themselves from predators. In a larger sense, evolution can be defined as any change in the nature of living organisms over time. The change could be minor, such as the development of a new coloration, or massive, for instance, the formation of a new organ. Scientists who accept evolution theory generally believe that genetic change is important in creating evolution. They also acknowledge that the process of evolution happens over a long time, often millions of years. They differ in the importance of various factors that can accelerate or slow down this process. For instance the role of sexual selection, environmental pressures and mutation bias. Despite these differences, the majority of scientists believe that evolution has happened and that evidence for this is overwhelming. What is 에볼루션 룰렛 for evolution? In the decades since Darwin's time, scientists have collected evidence that supports his theory of evolution. This evidence comes from fossils which show the evolution of organisms over time. Similarities between living and non-living organisms as well as embryology, biogeography and genetics are further evidence. The evolutionary tree is the best method of proving evolution. It demonstrates how species are closely related. Another source of evidence is homologous structures, which have a similar structures in different species but have distinct functions such as the wings of birds and bats. Evolution is evident in that different species adapt and grow to similar environments. For instance, arctic-foxes and Ptarmigans wear white pelts during the winter months that blend in with the snow and ice. This is a form of convergent evolutionary process, which suggests the species shared ancestral ancestors. Vestigial structures are another piece of evidence. These are a part of an organism that could serve a function in the past. For instance, the human appendix is a vestige of a once-used organ that was used to digest food. These structures tend to shrink in size as they are no longer used, a process known as natural selection. Scientists have also collected evidence for evolution through observation and experimenting. The evidence for evolution can be classified into six different categories: directly observable changes at a small scale, biogeographic distributions and comparative anatomies fossil records, genetics. Each of these categories provides solid evidence for the evolution of life. Many people are misinformed about the theory of evolution. However, it is an actual fact. It isn't just a theory; it is a potent collection of decades of observation and accumulated data that has been proven and tested. Scientists continue to collect and analyze new data to better understand the history of Earth's evolution, regardless of whether people believe in the theory of evolution or not. This information will allow scientists to better understand how to avoid future global catastrophes, and how best to make use of the resources on our planet. This information will also allow us to better serve the needs and wants of the people living on this planet.