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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 combines disciplines such as genetics, palaeontology and microbiology.<br><br>However the study of evolutionary theory is often controversial and the resulting misinformation can confuse people about the fundamentals of evolution. This Web site helps clarify 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 caused by natural selection, a process that increases the number of organisms who possess beneficial traits that help them survive and reproduce in a specific environment. This means that these organisms have more offspring than those that don't possess the beneficial characteristics. This can cause a genetic change that may eventually lead to new species.<br><br>The term "evolution" is usually associated with "survival-of-the fittest" which means that those who are more adaptable to specific environmental conditions will have a distinct advantage over those who are less well adapted. This is just one of many ways that evolution can happen.<br><br>Another popular way to use the word evolution is to suggest that species will progress from one state to the next. This type of view of evolution could be referred to as anagenetic or cladogenesis. This view is not supported by the definition of evolution that is scientifically accepted. Instead, the scientific theory of evolution is based on the changes that occur within populations over time and these changes are the result of genetic mutations and natural selection.<br><br>Charles Darwin was one of the scientists who supported this idea. Others, notably Alfred Russel Wallace, who developed the theory of macroevolution and believed that this was the only way that the higher forms of life could have evolved from the lower ones.<br><br>To be able to be referred to as a theory, it must be capable of surviving rigorous testing and evidence. The evidence of evolution has stood up to the test of time and has been backed by numerous studies in a wide range of sciences, from biology to geology, chemistry to astronomy. In reality, evolution is accepted as one of the foundations of science today, and it is backed by the vast majority of scientists worldwide. Many people are misinformed about the nature of evolution theory, especially how it relates to religion.<br><br>What is the Theory of Evolution (Evolutionary Theory)?<br><br>Evolution is the scientific explanation for the way living things change over time. It is based on a variety of well-established observable facts such as the fact that more offspring are often produced than can possibly survive; that individuals differ from one another in their physical characteristics (phenotype) and that various characteristics result in different rates of reproduction and survival and can be passed on to future generations. These observations are supported by a growing amount of evidence from molecular biology, palaeontology climatology functional morphology 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 to provide an explanation for why organisms are adapted to their biological and physical environments. It is the most widely supported and tested theory in science. Its predictions were confirmed by the fact, for example that more complex organisms have less genetic mutations. The more successful an organism becomes in terms of its longevity and reproducing the more likely it will transmit its genes to future generations.<br><br>Some people object to evolution because they believe it implies that there is no purpose to life. However, many scientists who are also religious believers like the famous Cambridge Palaeontologist Simon Conway Morris, believe that evolution isn't just compatible with faith in God but also enhances it (BioLogos 2014).<br><br>Many highly qualified evolutionary biologists have been involved in constructing and testing the theory of evolution, which includes some respected evangelical Christian leaders. Many of these researchers contributed to the understanding a vast array of phenomena, such as phylogenetics and genomics, and also the formation and function of fossils.<br><br>The word "theory" is often used in a wrong sense to mean an assumption or speculation however it actually refers to a scientific hypothesis that has been systematically tested and refined over time. Scientists test hypotheses through repeating the experiments or observations that led them to the conclusion. Therefore, the theory of evolutionary theory has been repeatedly confirmed along with 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 percentage of genetically distinct individuals within a particular species. This change is a result of natural selection of individuals who are better adapted to their environment. The people who are more adaptable have higher chances of reproducing and survival. As more individuals survive and reproduce their genes are more common in the general population. This is often called "survival of the most fittest."<br><br>According to the theory of evolution, the mutations that produce genomic variation are the raw material of evolutionary change. These mutations could occur at random or  [https://mbio.me/bbs/board.php?bo_table=free&wr_id=805211 에볼루션바카라사이트] ([https://cutenite.com/@evolution1347 Cutenite.Com]) under the influence of the environment. If mutations are random, the resulting allele frequencies may vary from generation to generation. If a mutation is beneficial it will increase the allele frequency and cause the allele to be spread across the population.<br><br>Changes in the frequency of alleles could lead to new species in the course of time. The new species will then evolve and develop into newer forms. This is known as macroevolution. The development of a new species is often due to changes in the environment which 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 against predators.<br><br>In a wider sense, evolution can be defined as any change in the nature of living organisms over time. This change can be small,  [https://ballotable.com/groups/a-relevant-rant-about-evolution-casino/ 에볼루션 게이밍] such as the development of a new coloration, or large, such as the creation of a new organ.<br><br>Scientists who believe in evolution theory generally agree that genetic change is essential in generating evolution. They also agree that evolution is a process that happens in time, typically over a period of millions of years. They differ in the importance of various factors that can accelerate or slow down the process. For instance the role played by sexual selection, environmental pressures and mutation bias. Despite these differences most scientists believe that evolution is real and the evidence to support this is overwhelming.<br><br>What evidence can be found for evolution?<br><br>Since Darwin's time, scientists have collected evidence to back his theory of evolution. This evidence comes from fossils that show the evolution of living organisms over time. Another evidence comes from similarities among living organisms embryology, biogeography genetics and comparative anatomy.<br><br>The primary evidence of evolution can be found in the evolutionary tree, which illustrates how species are 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. The fact that different species develop and adapt to the same environment is also a sign of evolution. For instance, arctic foxes and ptarmigans have seasonal white pelts to blend in with snow and ice. This is a form of convergent evolutionary process which suggests that the species share common ancestors.<br><br>Another source of evidence is the existence of vestige structures, which are unused parts of an organism that may have served a purpose in the distant ancestors. The human appendix, for example is an odour from an organ that was used to digest food. These structures tend to shrink in size once they are no longer utilized, a process known as natural selection.<br><br>Scientists have also gathered additional evidence of evolution through observation and experimentation. The evidence for evolution can be classified into six distinct categories: changes that can be observed at small scales biogeographic distributions and  [http://139.159.151.63:3000/evolution5328 에볼루션 바카라 체험] [https://git.boergmann.it/evolution8414 바카라 에볼루션] 무료체험 ([http://skupra-nat.uamt.feec.vutbr.cz:30000/evolution4704 Skupra-Nat.Uamt.Feec.Vutbr.Cz]) comparative anatomies fossil records, genetics. Each of these categories offers convincing evidence for the evolution of life.<br><br>Many people have misconceptions about the theory of evolution. But, it's an actual fact. It isn't simply a flimsy theory. It is a powerful 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 arc of the Earth's life regardless of whether or not people believe in the theory of evolution or not. This information will help scientists understand how to prevent future global catastrophes and also how to make the most of the resources on our planet. This will allow us to better meet the needs of people living on the planet.