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The Evolution Site The theory of natural selection as the underlying principle of evolution is the central force in the current biology. It combines disciplines like microbiology, palaeontology, and genetics. The study of evolution can be controversial and the misinformation that is generated can cause confusion about its basic concepts. This site clarifies essential concepts. What is Evolution? The modern understanding of evolution is based on the gradual and cumulative changes that happen within populations over time. These changes are caused by natural selection, which increases the number of organisms that have traits that are beneficial and enable them to live and reproduce in a specific environment. They produce more offspring because of the beneficial characteristics. This can lead to a genetic mutation that may eventually result in new species. 에볼루션 슬롯게임 “ is often ascribed to the notion of “survival of the fittest” which means that individuals who are best adapted to a specific set of environmental conditions will have an advantage over those who are not well-adapted. This is just one of many ways that evolution could happen. Another common way the term “evolution” is used is to suggest that a species will invariably move from one state to the next one. This type of view of evolution could be described as anagenetic, or cladogenesis. The definition of evolution in science does not support this view. The evolutionary theory that scientists have developed changes focuses on the changes that occur in populations over time. These changes are caused by mutations which result in natural selection and genomic variation. Certain 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 ones. In order for a concept to be called a theory, it has to be capable of standing up to rigorous tests and evidence. The evidence of evolution has stood the test of time and has been supported by a myriad of studies across various sciences, from geology to biology to astronomy. In reality evolution is considered to be one of the cornerstones of science today, and it is backed by the majority of scientists worldwide. Many people are misinformed about the nature of the theory of evolution and how it connects with religion. What is the Theory of Evolution (Evolutionary Theory)? Evolution is an explanation in science of how living things change over time. It is based on a few known facts: that more offspring are created than can survive, that individuals differ in their physical characteristics, and that they can pass on traits to the next generation. These findings are backed by a growing body of evidence drawn from molecular biology, palaeontology and climatology functional geology, morphology. The theory of evolution through natural selection was developed independently by Charles Darwin and Alfred Russel Wallace in the mid-19th century as an explanation for why organisms are adapted to their physical and biological environments. It is the most well-supported and tested theory in science. Its predictions were confirmed by the fact that for instance, 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 transfer its genes to the next generation. Some people are against evolution because they believe it implies there is no purpose for life. Many scientists who are religious believers like Cambridge palaeontologist Simon Conway Morris (BioLogos, 2014) believe that evolution is compatible with faith in God and even enhanced by it. In fact, a large number of highly trained evolutionary biologists, some of who are respected 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 broad range of phenomena, including genomics and phylogenetics, as well as the formation and function fossils. The term “theory” which is often misused is a reference to a scientific hypotheses that have been tested and refined over a long period of time. Scientists test their theories by repeating the experiment or observations that have led to them. Thus the theory of evolution theory has been repeatedly confirmed, as well as the related theories of Copernican theory as well as atomic theory and germ theory. What is the Process of Evolution? The process of evolution is a gradual shift in the genetic makeup of diverse individuals within a species over time. This change is a result of natural selection of individuals that are more adapted to their environment. The individuals who are more adapted have higher chances of reproducing and survival. As more of these people survive and reproduce their genes, they are more prevalent within the population. This is often called “survival of the most fittest.” According to the theory of evolution the causes of mutations that result in genomic variation are what triggers evolution. These mutations can occur at random or under the influence of the environment. When mutations are random, the frequencies of the resulting alleles may differ from generation to generation. When a mutation is beneficial it can increase the frequency of the allele which causes the allele to spread throughout the population. Over time, these changes in the frequencies of alleles can result in the creation of new species. The new species may grow and evolve into newer forms. This is known as macroevolution. The development of an entirely new species is typically caused by changes in the environment that make certain kinds of resources available or cause new environmental problems. The development of finches in the Galapagos Islands, for example, is due to the availability of new food and the necessity to defend themselves against predators. In a wider context, evolution is defined as any change that occurs in the characteristics of organisms over the course of time. This change can be small or even the creation of a new coloration or large, such as the development of a brand new organ. Scientists who believe in the theory of evolution generally believe that genetic change is crucial in the process of the process of generating evolution. They also agree that evolution is a process that takes place over time, usually over a period of millions of years. However, they differ over the role of various factors in speeding or slowing this process, such as the role of environmental pressures, sexual selection and mutation bias. Despite these differences, the majority of scientists believe that evolution is real and the evidence to prove it is overwhelming. What is the Evidence of Evolution? Throughout the years since Darwin's time, scientists have collected evidence to support his theory of evolution. A portion of this evidence comes from fossils which demonstrate the changing features of living things over time. Other evidence is found in similarities among living organisms embryology, biogeography, genetics and comparative anatomy. The most important proof of evolution is found in the evolutionary tree, which demonstrates how different species are connected. Homologous structures are another evidence. They share a similar structure but serve different purposes in different species, like the wings of a bat or bird. Evolution is also evident in the fact that different species adapt and grow to similar environments. For example, arctic-foxes and Ptarmigans wear white pelts during the winter months which blend with snow and ice. This is a kind of convergent evolutionary, which suggests that the species had common ancestral ancestors. Another evidence point is the existence of vestigial structures. These are unused organs that could have served a purpose in a distant ancestor. The human appendix, for instance is an odour from an organ that was used to digest food. These structures tend to shrink in size when they are no longer utilized in a process called natural selection. Scientists have also collected evidence for evolution through observation and experimenting. The evidence for evolution can be classified into six different categories: changes that can be observed at small scales, biogeographic distributions, comparative anatomy fossil records, genetics. Each of these categories offers compelling evidence for the evolution of life. Many people have misconceptions regarding the theory of evolution. However, it is an actual fact. It isn't simply a flimsy theory. It is a powerful collection of decades of research and observation that has been proven and tested. Scientists continue to gather and analyze new data to better understand the evolution of the Earth's life 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 to best utilize the resources of our planet. This information will also allow us to better serve the needs and desires of the people who live on this planet.