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The Evolution Site<br><br>The concept of natural selection as the underlying principle of evolution is the unifying force in modern biology. It ties together disciplines that are as diverse as genetics microbiology, and palaeontology.<br><br>The study of evolution may be controversial and the misinformation that is generated can lead to confusion about its fundamentals. This site clarifies the most fundamental concepts.<br><br>What is Evolution?<br><br>Modern evolutionary theory is based on the gradual and cumulative changes that take place in populations over time. These changes are the result of natural selection. This is a process which increases the number of organisms with beneficial traits, which help them to live and reproduce in particular environments. They produce more offspring because of their positive characteristics. This can result in a genetic mutation that could eventually result in new species.<br><br>The term "evolution" is often associated with the notion of "survival of the strongest," which means that individuals who are best adapted to a specific environment will be more successful than those who aren't well-adapted. This is just one of many ways in which evolution can happen.<br><br>Another way that the term "evolution" is used is to suggest that a species will invariably change from one state of being to the next one. This type of view of evolution could be described as anagenetic, or cladogenesis. This theory is not supported by the scientific definition of evolution. The scientific theory of evolutionary change is based on changes that occur in populations over time. These changes are the result of mutations which result in natural selection and genetic variation.<br><br>Some scientists, including the great Charles Darwin, advocated this view of evolution. Others, notably Alfred Russel Wallace, who came up with the macroevolution theory, believed that this was the only way that the higher forms of life could have evolved from the lower forms.<br><br>To be able to be called a theory, it has to be capable of standing up to rigorous testing and evidence. Evolution has stood the test of time and has been supported in countless scientific disciplines from geology to biology, from astronomy to chemistry. In fact evolution is considered to be one of the fundamental tenets of science today, and is supported by the majority of scientists across the globe. Many people have misconceptions regarding the nature of evolution theory particularly how it is connected to religion.<br><br>What is the Theory of Evolution (Evolutionary Theory)?<br><br>Evolution is a scientific explanation of how living things change over time. It relies on a number of well-established observable facts such as the fact that more offspring are created than are likely to survive in the long run; that individuals differ from each other in their physical characteristics (phenotype) and that distinct traits confer varying rates of reproduction and survival; and that traits can be passed down to the next generation. These findings are supported by the increasing body of evidence from molecular biology, palaeontology, climatology, functional morphology and geology.<br><br>The theory of evolution by natural selection was initially conceived by Charles Darwin and Alfred Russel Wallace in the late 19th century as an explanation for why organisms are adapted to their biological and physical environments. It is today the most supported and  [http://www.suntool.top/evolution5290 에볼루션 무료 바카라] [http://anggrek.aplikasi.web.id:3000/evolution1732 바카라 에볼루션] 무료체험 ([http://39.101.167.195:3003/evolution6380/sammy1986/wiki/10-Tell-Tale-Signals-You-Should-Know-To-Get-A-New-Evolution-Gaming click the up coming website page]) most extensively tested theory in the field of science. Its predictions were confirmed by the fact that, for instance, more complex organisms have less genetic mutations. Additionally the more successful an organism is in surviving and reproducing, the more likely it will be to pass on its genes to the next generation.<br><br>Some people oppose evolution because they believe it suggests that there is no purpose to life. Many scientists who are religious believers, like the Cambridge palaeontologist Simon Conway Morris (BioLogos, 2014), believe that evolution is compatible with faith in God and is even enhanced by it.<br><br>In reality, a large number of highly skilled evolutionary biologists, including some who are renowned evangelical Christian leaders, have been involved in the development and testing of the theory of evolution. Many of these researchers contributed to the understanding a wide range phenomena, including phylogenetics and genomics,  [http://112.48.22.196:3000/evolution8507 에볼루션바카라] as well as the formation and function of fossils.<br><br>The term "theory", which is often misinterpreted is a reference to a scientific hypotheses that have been tested and refined over a period of time. Scientists test hypotheses by repeating the experiments or observations that led them to the conclusion. Thus, the theory of evolution has been repeatedly tested out and so have the theories of Copernican,  [http://wiki.iurium.cz/w/U%C5%BEivatel:Evolution9572 에볼루션 바카라 무료체험] germ and atomic theory.<br><br>What is the Process of Evolution?<br><br>The process of evolution is the gradual change over time in the ratio of genetically distinct individuals within a particular species. This change is the result of the natural selection of those who are better adapted to their environment. The more adapted individuals have a better chance of survival and reproduction. As more of these people survive and reproduce their genes become more common within the population. This process is sometimes called "survival for the fittest."<br><br>According to the theory of evolution the mutations that cause genomic variation are the primary material for evolution. These mutations may occur randomly or under the influence of the environment. When mutations occur at random and the frequencies of alleles will vary from generation to generation. If a mutation is beneficial it can increase the frequency of the allele, causing the allele to spread throughout the population.<br><br>These changes in allele frequency can lead to new species in the course of time. The new species may grow and evolve into newer forms. This process is known as macroevolution. The creation of new species is often caused by changes in the environment which makes certain resources available or creates new environmental problems. For  [http://47.95.167.249:3000/evolution1393 에볼루션 무료체험] example, the evolution of finches on the Galapagos Islands is a result of the availability of various foods and the need to defend themselves from predators.<br><br>In a broader sense it is any change that takes place in the characteristics of organisms over time. The change could be subtle, like the development of a new color or dramatic, like the formation of an organ.<br><br>Scientists who believe in the theory of evolution generally agree that genetic change is essential in creating evolution. They also agree that evolution is a process that happens over time, usually over millions of years. However, they differ over the role of various factors in speeding or slowing the process, including the role of environmental pressures, sexual selection and mutation bias. Despite these differences, most scientists believe that evolution is happening and that the evidence for this is overwhelming.<br><br>What evidence do we have to support evolution?<br><br>Throughout the years since Darwin's time, scientists have collected evidence that supports his theory of evolution. This evidence comes from fossils that show the evolution of organisms over time. Another evidence comes from similarities between living organisms embryology, biogeography genetics and comparative anatomy.<br><br>The evolutionary tree is the most effective method of proving evolution. It shows how different species are closely related. Homologous structures are another source of evidence. They share a similar structure but serve different purposes in different species, for instance, the wing of a bat or bird. Evolution is evident in that different species adapt and develop to similar environments. For example, arctic foxes and ptarmigans have seasonal white pelts to blend into snow and ice. This is a type of convergent evolutionary process, which suggests the species shared common ancestors.<br><br>Vestigial structures are a different piece of evidence. These are a part of an organism that may serve a function in the distant past. The human appendix, for example, is a vestige from an organ that was used to digest food. Natural selection causes these structures to shrink as they are no longer utilized.<br><br>Scientists have also collected other evidence of evolution via observation and experimentation. The evidence for evolution can be divided into six categories: directly observable small-scale changes in biogeographic distribution and comparative anatomy, the fossil record, classification and genetics. Each of these categories offers convincing evidence for the evolution of life.<br><br>While many people are misinformed about the theory of evolution it is a scientific fact. It is not simply a flimsy theory. It is a potent collection of decades of observations and data that has been proven and tested. Scientists continue to gather and analyze new data to better understand the history of the Earth's life regardless of whether or not people believe in the theory of evolution or not. 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