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The Evolution Site The concept of natural selection as the foundation of evolution is the defining factor in the field of modern biology. It ties together disciplines that are as diverse as genetics microbiology, and Palaeontology. The study of evolution may be controversial, and the misinformation that comes from it can lead to confusion over its fundamentals. This site explains the fundamental concepts. What is Evolution? The modern understanding of evolution focuses on the gradual and cumulative changes that happen within populations over time. These changes are the result of natural selection, a process that increases the number of organisms that have beneficial traits that allow them to survive and reproduce in a specific environment. These organisms produce more offspring because of the beneficial traits. This could result in a genetic mutation which could eventually lead to new species. The term “evolution” is frequently associated with the idea of “survival of the fittest,” which implies that people who are the most adapted to a specific environment will have an advantage over those who are not well-adapted. In actuality it is only one of the many different ways in which evolution can occur. Another popular way to use the word evolution is to suggest that a species are able to move from one stage 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 in science. Instead the theory of evolution that is scientifically based is based on the changes that take place within populations over time, and these changes are the result of mutations that produce genomic variation and natural selection. Some scientists, including the great Charles Darwin, advocated this theory of evolution. Others, notably Alfred Russel Wallace, who came up with the macroevolution theory and believed that this was the only way the higher forms of life could be derived from lower forms. For a concept to be called a theory, it has to 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 countless studies in a wide range of sciences, from biology to geology to chemistry to astronomy. Evolution is the foundation of science and is supported by a majority of scientists across the globe. However, there are many misconceptions about the theory of evolution, specifically how it is related to religion. What is the Theory of Evolution (Evolutionary Theory)? Evolution is the scientific explanation of how living things change over time. It relies on a number of well-established and observable facts such as the fact that more offspring are often created than are likely to survive; that individuals differ from one another in their physical characteristics (phenotype); that different characteristics result in different rates of reproduction and survival; and that traits can be passed down to future generations. These findings are supported by the growing body of evidence from molecular biology, palaeontology, climatology, functional morphology and geology. Charles Darwin and Alfred Russel Wallace independently conceived the theory of evolution based on selection in the mid-19th century as an explanation why organisms are able to adapt to their biological and physical environments. It is the most widely accepted and tested theory in the field of science. Its predictions were proved by the fact that for instance, more complex organisms have less genetic mutations. Additionally, the more efficient an organism is in being able to reproduce and survive, the more likely it is to pass on its genes to future generations. Some people oppose evolution because they believe it implies there is no purpose to 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. Many highly skilled evolutionary biologists have been involved in constructing and testing the theory of evolution, which includes some respected evangelical Christian leaders. Many of these researchers have contributed to the understanding of a broad range of phenomena, like phylogenetics, genomics, and the formation and purpose of fossils. The term “theory” that is often misused is a reference to a scientific hypotheses that have been tested and refined over time. Scientists test hypotheses by repeating the experiments or observations that led them to them. So 에볼루션 블랙잭 of evolutionary theory has been repeatedly confirmed as well as the related theories of Copernican theory, atomic theory, and germ theory. What is the Process of Evolution? The process of evolution is a gradual shift in the genetically different individuals within a species over time. This change is a result of the natural selection of individuals that are more well-adapted to their environment. The people who are more adaptable have better chances of reproduction and survival. As more of these individuals survive and reproduce, their genes become more common within the population. This is often described as “survival of the strongest.” According to read review of evolution the causes of mutations that result in genomic variation are what triggers evolutionary change. These mutations could occur at random, or under the influence of the environment. When mutations are random, the resulting allele frequencies may differ from generation to generation. In contrast, when a mutation is beneficial, it increases the frequency of the allele, which causes it to spread across the population. Over time, these changes in allele frequencies could result in the creation of new species. The new species will grow and evolve into new forms. This is a process called macroevolution. The development of a new species is usually caused by changes in the environment which allow certain kinds of resources to become available or create new environmental problems. The evolution of finches in the Galapagos Islands, for example is due to the availability of new foods and the necessity to defend themselves from predators. In a broader sense, evolution is defined as any change that takes place in the traits of living organisms over time. The change could be subtle, like the development of new coloration or dramatic, like the formation of an organ. Scientists who believe in evolution theory generally believe that genetic change is essential in the process of generating evolution. They also acknowledge that evolution is a process that happens over time, typically over a period of millions of years. They differ on the importance of various factors that may speed up or slow down the process. For instance the role of sexual selection, environmental pressures, and mutation bias. Despite these differences scientists believe that evolution has happened and that the evidence for this is overwhelming. What is the Evidence of Evolution? Since Darwin's time, scientists have collected evidence to back his theory of evolution. A portion of this evidence is derived 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. The evolutionary tree is the most effective method of proving evolution. It shows how different species are related. Homologous structures are another source of evidence. They share a similar structure but perform different functions in different species, for instance, the wings of a bat or bird. Evolution is evident in that various species adapt and evolve to similar environments. For instance, arctic foxes and ptarmigans grow white fur coats that blend into snow and ice. This is a kind of convergent evolution that suggests that the species had common ancestral ancestors. Another evidence point is the existence of vestige structures, which are unused organs that could have served a purpose in the distant ancestor. For 에볼루션 블랙잭 , the human appendix is remnants of an earlier organ that was used to digest food. Natural selection causes the structures to shrink when they cease to be used. Scientists have also gathered other evidence of evolution via observation and experimentation. The evidence for evolution is divided into six categories: directly visible small-scale changes in biogeographic distribution, comparative anatomy, the fossil record, genetics, and classification. Each of these categories offers solid evidence for the evolution of life. While many people are misinformed about the theory of evolution it is a scientific fact. It is not only a theory, it is a potent collection of years of research and observation that has been proven and tested. Scientists continue to collect and analyze new data to better understand the arc of Earth's existence regardless of whether or not people believe in the theory of evolution or not. This information will aid scientists understand how to prevent future global catastrophes and how to best use the resources of our planet. This will allow us to better serve the needs of all the people on this planet.