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The Evolution Site<br><br>The theory of evolution based on natural selection is the unifying force of modern biology. It ties together disciplines that are as diverse as genetics microbiology, and palaeontology.<br><br>However the study of evolutionary theory is often controversial and the resultant misinformation can confuse people about its fundamentals. This site clarifies essential concepts.<br><br>What is Evolution?<br><br>Modern evolutionary theory focuses on the gradual and cumulative changes that take place in populations over time. These changes are the result of natural selection, which increases the number of organisms that possess beneficial traits that allow them to survive and reproduce in a specific environment. In turn, these organisms produce more offspring than those that don't have these beneficial traits. This causes the genetic changes that can eventually lead to the formation of new species.<br><br>The term "evolution" is frequently associated with the idea of "survival of the fittest" which means that individuals who are best adapted to a particular environment will be more successful than those who aren't adapted to the environment. This is just one of many ways that evolution could happen.<br><br>Another way to use the term "evolution" is to suggest that species are able to move from one stage to the next. This view of evolution can be described as anagenetic or cladogenesis. This is not backed by the scientific definition of evolution. The evolutionary theory that scientists have developed changes focuses on the changes that occur in populations over time. These changes are caused by mutations that produce natural selection and genetic variation.<br><br>Some scientists, such as the great Charles Darwin, advocated this view of evolution. Others,  [https://sovren.media/u/brainbeetle46/ 에볼루션 무료체험] such as Alfred Russel Wallace, who developed the theory of macroevolution, believed that this was the only way the higher forms of life could have evolved from the lower ones.<br><br>For a concept to be considered a theory, it must be capable of standing up to rigorous testing and evidence. The evidence of evolution has stood the test of time and has been supported by a myriad of studies across a wide range of scientific disciplines, from biology to geology, chemistry to astronomy. Evolution is a fundamental concept in science and is supported by the majority of scientists across the world. However, many people have misconceptions about the nature of the theory of evolution, and particularly how it relates to religion.<br><br>What is the Theory of Evolution?<br><br>Evolution is an explanation in science of how living things change with time. It is based on a variety of well-established observations: that more offspring are often produced than could possibly survive and that individuals differ from one another in their physical characteristics (phenotype) and that various characteristics result in different rates of reproduction and survival and reproduction; and that these traits can be passed on to future generations. These findings are backed by a growing amount of evidence drawn from molecular biology, palaeontology and climatology functional morphology geology.<br><br>The theory of evolution by natural selection was conceived independently by Charles Darwin and Alfred Russel Wallace in the mid-19th century as an explanation for the reason that organisms are adapted to their biological and physical environments. It is today the most supported and most widely tested theory in the field of science. Its predictions were confirmed by the fact that, for instance, more complex organisms are less susceptible to genetic mutations. In addition the more successful an organism is in surviving and reproducing, the more likely it will be to pass its genes to the next generation.<br><br>Some people object to evolution because they believe it implies that there is no meaning to life. Many scientists who are religious like Cambridge palaeontologist Simon Conway Morris (BioLogos, 2014), believe that evolution is compatible with faith in God and even enhanced by it.<br><br>Many highly qualified evolutionary biologists have been involved in the development and testing the theory of evolution, which includes several highly respected evangelical Christian leaders. Many of these scientists contributed to the understanding a broad range of phenomena, including phylogenetics and genomics, and also the formation and function fossils.<br><br>The word "theory", which is often used incorrectly, refers to a scientific hypotheses that have been tested and refined over time. Scientists test hypotheses through repeating the experiments or observations that led them to the conclusion. Therefore, the theory of evolution has been repeatedly borne out as have the corresponding theories of Copernican, 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 a result of natural selection, which favors those who are better adapted for their environment. The better-adapted individuals have a higher chance of survival and reproduction. As more of these individuals survive and reproduce their genes, they are more prevalent in the general population. This process is sometimes referred to as "survival for the fittest."<br><br>According to the theory of evolution the causes of mutations that result in genomic variation are what drives evolution. These mutations may occur at random, or under the influence of the environment. If mutations occur in a random manner and the frequencies of alleles can vary from generation-to-generation. When a mutation is beneficial it will increase the frequency of alleles which causes 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 known as macroevolution. The creation of a new species is often caused by changes in the environment that allow certain kinds of resources to become available or cause new environmental challenges. The evolution of finches in Galapagos Islands, for example is due to the availability of new food and the need to defend themselves against predators.<br><br>In a broader context it is possible to define evolution as any change in the nature of living organisms over time. The change could be subtle, like the development of new coloration or dramatic, like the development 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 the process of evolution occurs over a lengthy period of time, typically millions of years. However, they differ on the role of various factors in accelerating or retarding the process, including the role of environmental pressures, sexual selection and mutation bias. Despite these disagreements, most scientists still believe that evolution is real and the evidence in support of this is overwhelming.<br><br>What evidence do we have to support evolution?<br><br>Since Darwin's time, scientists have gathered evidence to support his theory of evolution. The evidence comes from fossils that show the evolution of living organisms over time. Similarities between living and non-living organisms as well as embryology, biogeography, and genetics are evidence.<br><br>The primary evidence of evolution is found in the evolutionary tree, which shows how different species are related. Homologous structures are another proof. They have a similar structure but serve different purposes in different species, for instance, the wing of a bird or bat. Evolution is also evident in the fact that different species adapt and develop to similar environments. 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The evidence for evolution can be divided into six different categories: directly observed changes at a smaller scale, biogeographic distributions and comparative anatomies fossil records and  [https://021lyrics.com/index.php?title=User:CarmelLaboureyas 에볼루션게이밍] genetics. Each of these provides compelling evidence that the evolution of life has taken place.<br><br>Although many people have misconceptions about the theory of evolution it is a scientific fact. It isn't only a theory, it is a powerful collection of decades of observation and  [https://pattern-wiki.win/wiki/15_Ideas_For_Gifts_For_The_Evolution_Baccarat_Lover_In_Your_Life 에볼루션 바카라 사이트] accumulated data that has been tested and proven. Scientists continue to gather and analyze new data to better understand the evolution of Earth's existence regardless of whether or not people believe in the theory of evolution or not. This knowledge will allow scientists to better understand how we can avoid future global catastrophes, and how best to make use of the resources on our planet. This will allow us to better meet the needs of all the people on this planet.