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The Evolution Site<br><br>The theory of evolution through natural selection is the unifying force of modern biology. It ties together disciplines as diverse as genetics, microbiology and the study of palaeontology.<br><br>However the study of evolution is often controversial and the misinformation that results can confuse people about its basic concepts. 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 that increases the number organisms with beneficial traits, which help them to live and reproduce in certain environments. In turn, these organisms have more offspring than those who don't possess the beneficial traits. This can cause a genetic change that could eventually lead to new species.<br><br>The term "evolution" is usually associated with "survival-of-the most fittest" which implies that individuals who are more adapted to certain environmental conditions will have an advantage over those less well-adapted. This is only one of the many ways that evolution can occur.<br><br>Another way that the word evolution is used is to suggest that a species will inevitably progress from one state to the next state of being. This kind of view can be described as anagenetic or cladogenesis. The scientific definition of evolution does not support this view. The theory of evolution that is based on science change focuses instead on the changes that occur in populations over time. These changes are caused by mutations that produce natural selection and genomic variation.<br><br>Some scientists, such as the great Charles Darwin, advocated this theory of evolution. Others, notably Alfred Russel Wallace, who developed the theory of macroevolution, believed that this was the only way that the higher forms of life could be derived from lower forms.<br><br>To be able to be called a theory, it must be capable of surviving rigorous testing and evidence. Evolution has stood the test of time, and has been proven to be valid in many scientific disciplines, from geology to biology from astronomy to chemistry. In fact, evolution is accepted as one of the foundations of science today, and is backed by the majority of scientists across the globe. Many people are misinformed about the nature of the evolution theory particularly how it is connected with religion.<br><br>What is the Theory of Evolution (Evolutionary Theory)?<br><br>Evolution is a scientific explanation of the way living things change over time. It is based on few well-established facts: that many more offspring are created than can be surviving and that different individuals have their physical characteristics and that they are able to pass on traits to the next generation. These observations are supported by the increasing body of evidence from molecular biology, palaeontology, functional morphology, climatology, and  [https://dolan-clancy-4.technetbloggers.de/whats-holding-back-this-evolution-roulette-industry-3f/ 에볼루션 무료체험] 게이밍 ([https://www.scdmtj.com/home.php?mod=space&uid=3182045 have a peek at this web-site]) geology.<br><br>The theory of evolution based on natural selection was developed independently by Charles Darwin and Alfred Russel Wallace in the mid-19th century to explain the reason that organisms are adapted to their physical and biological environment. It is today the most supported and widely-tested theory in the field of science. Its theories have been proven out by the fact that, for instance, more complex organisms have less genetic mutations than simpler ones. Additionally, the more successful an organism is in surviving and reproducing 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 that it implies that there is no purpose to life. Many scientists who are religious believers such as the Cambridge Palaeontologist Simon Conway Morris (BioLogos, 2014) believe that evolution is compatible with faith in God and can even be enhanced by it.<br><br>In reality, a large number of highly qualified evolutionary biologists, including some who are revered evangelical Christian leaders have been involved in the development and testing of the theory of evolution. Many of them have contributed to the understanding of a vast variety of phenomena, including phylogenetics and genomics and the formation and role of fossils.<br><br>The term "theory" is often used incorrectly to mean a guess or speculation however it actually refers to a scientific hypothesis that has been thoroughly evaluated and refined over time. Scientists test hypotheses by repeating the experiments or observations that led them to the conclusion. Thus the theory of evolution theory has been repeatedly proven, as well as the related theories of Copernican theory, atomic theory, and germ theory.<br><br>What is the Process of Evolution?<br><br>The process of evolution is the gradual shift over time in the proportion of genetically distinct individuals within a specific species. This change is a result of natural selection, which favors individuals who are better adapted for their environment. The individuals who are more adapted have higher chances of reproduction and survival. As more of these individuals survive and reproduce their genes, they become more common within the population. This process is sometimes referred to as "survival for the fittest."<br><br>According to theories of evolution the causes of mutations that result in genetic variation are the primary reason for evolution. These mutations could occur at random, or under the influence of the environment. When mutations are random the resulting allele frequencies may vary from generation to generation. When a mutation is beneficial it can increase the frequency of the allele, causing the allele to be spread across the population.<br><br>Changes in the frequency of alleles could lead to new species over time. The new species may grow and evolve into newer forms. This is a process known as macroevolution. The development of a new species is often caused by changes in the environment which allow certain kinds of resources to become available or cause new environmental challenges. The development of finches in the Galapagos Islands, for example is due to the availability of new foods and the necessity to defend themselves from predators.<br><br>In a broader context the term "evolution" can be described as any change in the characteristics of living organisms over time. The change could be subtle, such as the development of new colors or dramatic, like the development of an organ.<br><br>Scientists who accept the theory of evolution generally recognize the importance of genetic change in the process that causes evolution. They also agree that evolution is a process that takes place over time, usually over millions of years. However, they differ on the importance of different factors in accelerating or retarding the process, like the role of environmental pressures, sexual selection, and mutation bias. Despite these differences, most scientists believe that evolution has occurred and that evidence for this is overwhelming.<br><br>What is the Evidence of Evolution?<br><br>Since Darwin's time, scientists have collected evidence to support his theory of evolution. Some of this evidence comes from fossils which demonstrate the changing features of organisms through time. Additional evidence can be found in similarities between living organisms embryology, biogeography genetics and comparative anatomy.<br><br>The primary evidence of evolution is in the evolutionary tree, which illustrates how species are related. Homologous structures are another proof. They share a common structure but serve different purposes in different species, such as the wing of a bird or bat. The fact that different species evolve and adapt to the same environment is also a sign of evolution. For instance, arctic-foxes and ptarmigans grow white fur coats that blend in with snow and ice. This is a type of convergent evolutionary mechanism, which suggests the species shared ancestral ancestors.<br><br>Vestigial structures are a different piece of evidence. These are parts of an organism that may have served some purpose in the past. The human appendix, for instance is a remnant of an organ that was used to digest food. These structures tend to shrink in size when they are no longer utilized, a process known as natural selection.<br><br>Scientists have also gathered evidence of evolution through observation and testing. The evidence for evolution can be grouped into six different categories: directly observed changes at a smaller scale biogeographic distributions and  무료[https://championsleage.review/wiki/14_Cartoons_On_Evolution_Baccarat_Site_To_Brighten_Your_Day 에볼루션 바카라사이트] ([http://wx.abcvote.cn/home.php?mod=space&uid=4122254 use Scdmtj]) comparative anatomies, the fossil record and genetics. 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