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The Evolution Site<br><br>The theory of natural selection as the foundation of evolution is the defining factor in modern biology. It brings together disciplines such as genetics, palaeontology and microbiology.<br><br>However, the study of evolution is often controversial and the resultant misinformation can confuse people regarding its basic concepts. This site explains the fundamental 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, a process that increases the number of organisms who have traits that are beneficial and allow them to survive and reproduce in a particular environment. These organisms produce more offspring as a result of the beneficial characteristics. This leads to the genetic changes that can eventually lead to the creation of new species.<br><br>The term "evolution" is often associated with the notion of "survival of the fittest" which means that people who are the most adapted to a specific set of environmental conditions will have an advantage over those who aren't well-adapted. However this is just one of the many ways in which evolution can occur.<br><br>Another popular way in which the term "evolution" is used to suggest that a species will eventually move from one state of being to the next state of being. This type of view of evolution is called anagenetic or cladogenesis. The scientific definition of evolution is not in agreement with this view. Instead, the scientific theory of evolution focuses on changes that take place in populations over time and these changes are the result of mutations that produce genomic variation and natural selection.<br><br>Some scientists,  [https://qa.holoo.co.ir/user/badgeanswer3 에볼루션 무료 바카라] such as the great Charles Darwin, advocated this view of evolution. Alfred Russel Wallace who developed the macroevolution theory believed this was only way the higher living forms could have evolved.<br><br>For a concept to be called a theory, it has to 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, the sciences of astronomy to chemistry. In fact, evolution is accepted as one of the foundations of science today, and it is backed by the vast majority of scientists around the world. Many people are misinformed about the nature of the theory of evolution and how it connects to religion.<br><br>What is the Theory of Evolution (Evolutionary Theory)?<br><br>Evolution is an explanation in science of the way living things change over time. It relies on a number of well-established observable facts that show that more offspring are produced than can possibly survive in the long run; that individuals differ from one another in their physical characteristics (phenotype) and that distinct traits confer varying rates of survival and reproduction and  [https://thurston-gallagher.technetbloggers.de/14-cartoons-about-evolution-blackjack-to-brighten-your-day/ 에볼루션 블랙잭] reproduction; and that these traits can be passed down to future generations. These observations are supported by an increasing body of evidence derived from molecular biology, palaeontology climatology functional geology, morphology.<br><br>The theory of evolution through natural selection was initially conceived by Charles Darwin and Alfred Russel Wallace in the late 19th century as an explanation for how organisms adapt to their physical and biological environments. It is currently the most well-supported and widely-tested theory in the field of science. Its predictions were proven by the evidence that, for instance, more complex organisms are less susceptible to genetic mutations. The more successful an organism gets in terms of its longevity and reproducing the more likely it will transfer its genes to future generations.<br><br>Some people oppose evolution because they believe it implies that there is no purpose to life. However, many scientists who are also religious believers, such as the prominent Cambridge palaeontologist Simon Conway Morris, believe that evolution is not just compatible with belief in God but is enhanced by it (BioLogos 2014).<br><br>Many highly skilled evolutionary biologists have been involved in constructing and testing the theory of evolution, which includes several highly respected evangelical Christian leaders. Many of these researchers have contributed to the understanding of a broad variety of phenomena, like phylogenetics, genomics, and the development and purpose of fossils.<br><br>The term "theory" which is often used incorrectly refers to scientific hypotheses that have been tested and  [https://mcqueen-mccracken-4.blogbright.net/9-signs-youre-a-evolution-baccarat-expert/ 에볼루션카지노] refined over a long period of time. Scientists test hypotheses by repeating the experiments or observations that led them to them. Therefore,  [https://dolan-hewitt.blogbright.net/how-evolution-casino-site-became-the-top-trend-in-social-media/ 에볼루션 게이밍] the theory of evolution has been repeatedly borne out and so have the theories of Copernican, atomic and germ theory.<br><br>What is the Process of Evolution?<br><br>The process of evolution is a gradual shift in the proportions of genetically different individuals within a species over time. This change is the result of natural selection of those who are better adapted to their environment. The individuals who are more adaptable have a higher chance of survival and reproduction. As more of these people survive and reproduce, their genes are more prevalent in the general population. This process is sometimes called "survival for the fittest."<br><br>According to theories of evolution the mutations that cause genomic variation are what triggers evolution. These mutations can occur at random or be influenced by the environment. When mutations occur at random and the frequencies of alleles may vary from generation to generation. If a mutation is beneficial it will increase the allele frequency, causing the allele to be spread across the population.<br><br>The changes in frequency of alleles can result in new species as time passes. The new species will then evolve and develop into newer forms. This is known as macroevolution. The creation of new species is typically due to changes in the environment, which make certain resources available or creates new environmental issues. For example, the evolution of finches in the Galapagos Islands is a result of the availability of various food sources and the need protect themselves from predators.<br><br>In a larger sense, evolution is defined as any change that takes place in the characteristics of living organisms over time. The change could be minor, such as the development of a new coloration, or massive, for instance, the creation of a new organ.<br><br>Scientists who accept evolution theory generally believe that genetic change is essential in generating evolution. They also believe that evolution is a process that occurs over time, usually over millions of years. However, they differ over the role of various factors in accelerating or retarding the process, like the influence of environmental pressures sexual selection and mutation bias. Despite these differences, most scientists believe that evolution has happened and that the 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. This evidence is gathered from fossils that show the evolution of organisms over time. Similarities between living and non-living organisms as well as embryology, biogeography and genetics are evidence.<br><br>The evolutionary tree is the best way to prove evolution. It shows how species are closely related. Homologous structures are another evidence. They share a common structure but serve different purposes in different species, like the wings of a bat or bird. Evolution is evident in that various species adapt and evolve to similar environments. For example, arctic foxes and ptarmigans have white fur coats that blend in with snow and  [https://qa.holoo.co.ir/user/stickland3 에볼루션 바카라]코리아 ([https://dokuwiki.stream/wiki/The_Most_Profound_Problems_In_Free_Evolution Dokuwiki.Stream]) ice. This is a form of convergent evolution that suggests that the species have common ancestors.<br><br>Another source of evidence is vestigial structures, which are unutilized organs that may have served a purpose in the distant ancestors. The human appendix, for instance is an odour from an organ that was used to digest food. These structures tend to shrink in size once they're no longer in use which is a process referred to as natural selection.<br><br>Scientists have also collected evidence for evolution through observation and testing. The evidence for evolution can be classified into six different categories: directly observed changes at a smaller scale biogeographic distributions, comparative anatomies, the fossil record and genetics. Each of these provides convincing evidence that evolution of life took place.<br><br>Many people have misconceptions about the theory of evolution. However, it is an actual fact. It is not a theory but rather a powerful collection based on years of observation. Scientists continue to gather and study new information to better understand the arc of Earth's evolution regardless of whether people believe in the theory of evolution or not. This information will help scientists to better understand how to prevent future global catastrophes and how best to make use of the resources of our planet. It will also allow us to better meet the needs of people on this planet.