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The Evolution Site The theory of evolution based on natural selection is the unifying force of modern biology. It connects disciplines that are as diverse as genetics microbiology, and Palaeontology. However, the study of evolution is often controversial and the misinformation that results can confuse people about its fundamentals. This website helps to explain the most important concepts. What is 무료에볼루션 ? Modern evolutionary theory is based on the gradual and cumulative changes that occur in populations over time. These changes are a result of natural selection, which increases the number of organisms who possess beneficial traits that enable them to live and reproduce in a particular environment. They produce more offspring because of their positive characteristics. This causes an alteration in genetics that could eventually lead to the creation of new species. 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 be more successful than those who aren't adapted to the environment. This is just one of many ways in which evolution can occur. Another popular way in which the term “evolution” is used is to suggest that a species will invariably change from one state of being to the next state of being. This theory of evolution is known as anagenetic or cladogenesis. This is not backed by the definition of evolution that is scientifically accepted. Instead, the scientific theory of evolution concentrates on the changes that take place within populations over time, and these changes are caused by genetic mutations and natural selection. Charles Darwin was one of the scientists who backed this theory. Alfred Russel Wallace who developed the macroevolution theory believed this was only way the higher living forms could have evolved. A theory must stand up to rigorous tests and evidence to be considered a theory. The evidence of evolution has withstood the test of time and has been supported by numerous studies in a wide range of scientific disciplines, ranging from biology to geology to chemistry to astronomy. Evolution is the foundation of science and is believed by the majority of scientists around the globe. Many people have misconceptions regarding the nature of the evolution theory, especially how it relates with religion. What is the Theory of Evolution (Evolutionary Theory)? Evolution is an explanation in science of how living things change over time. It relies on a number of well-established observations that show that more offspring are often created than are likely to survive; that individuals differ from one another in their physical characteristics (phenotype) and that various characteristics result in different rates of survival and reproduction and reproduction; and that these traits can be passed down to future generations. These findings are supported by the increasing amount of evidence from molecular biology, palaeontology, functional morphology, climatology and geology. The theory of evolution by 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 widely accepted and tested theory in the field of science. Its predictions have been borne out by the fact that, for example, more complex organisms are more likely to have less genetic mutations than simpler ones. The more successful an organism becomes in terms of survival and reproducing, the more likely it will transmit its genes to the next generation. Some people object to evolution based on the belief that it implies that there is no reason to life. Many scientists who are religious such as the Cambridge Palaeontologist Simon Conway Morris (BioLogos, 2014) believe that evolution is compatible with faith in God and is even enhanced by it. In reality, a large number of highly qualified evolutionary biologists, some of who are respected evangelical Christian leaders have been involved in the creation and testing of the theory of evolution. Many of these scientists contributed to the understanding of a broad range of phenomena, including genomics and phylogenetics and also the formation and function fossils. The term “theory” which is often misinterpreted refers to scientific hypotheses that have been tested and refined over time. Scientists test their hypotheses by repeating the experiment or observations that have led to them. The theory of evolution has been repeatedly borne out as have the corresponding theories of Copernican, germ theory, and atomic theory. What is the Process of Evolution? The process of evolution is the gradual shift over time in the ratio of genetically distinct individuals within a particular species. This is the result of natural selection, which favors individuals who are better adapted for their environment. The more adapted individuals have a greater chance of survival and reproduction. As more of these individuals survive and reproduce, their genes become more common in the population. This is sometimes referred to as “survival for the strongest.” According to the theory of evolution the mutations that cause genomic variation are what triggers evolution. These mutations can occur randomly or be influenced by the environment. If mutations occur in a random manner, the allele frequencies may vary from generation to generation. However, when 무료 에볼루션 is beneficial it can increase the frequency of the allele, which causes it to spread across the population. The changes in frequency of alleles can result in new species over time. The new species can then develop further and evolve into newer forms. This is a process known as macroevolution. The creation of an entirely new species is typically due to changes in the environment which provide certain types of resources available or create new environmental problems. For instance, the development of finches on the Galapagos Islands is a result of the availability of different food sources and the need to protect themselves from predators. In a larger sense it is possible to define evolution as any change in the character of living organisms over time. The change could be minor or even the creation of a new coloration or massive, for instance, the creation of a new organ. Scientists who believe in evolution theory generally believe that genetic change is important in creating evolution. They also acknowledge that evolution is a process that happens over time, typically over a period of millions of years. However, they differ over the role of various factors in accelerating or retarding the process, including the influence of environmental pressures sexual selection and mutation bias. Despite these differences, the majority of scientists still believe that evolution is real and the evidence to support this is overwhelming. What is the evidence for evolution? Since Darwin's time, scientists have collected evidence that supports Darwin's theory of evolution. This evidence comes from fossils that show the evolution of living organisms over time. Other evidence is found in similarities among living organisms embryology, biogeography, genetics and comparative anatomy. The most important proof of evolution can be found in the evolutionary tree, which demonstrates how species are related. Another evidence source is homologous structures, which have similar structure in different species, but serve different purposes such as the wings of birds and bats. Evolution is evident in that various species adapt and evolve to similar environments. For instance, arctic foxes and ptarmigans develop seasonal white pelts that blend in with snow and ice. This is a type of convergent evolutionary mechanism, which suggests that the species have shared common ancestors. Another source of evidence is vestigial structures, which are unutilized parts of an organism which could serve a purpose in a distant ancestor. For instance the human appendix may be a vestige of a once-used organ used to digest food. Natural selection is a process that causes the structures to shrink when they are no longer used. Scientists have also collected other evidence of evolution via observation and experimentation. The evidence for evolution can be divided into six different categories: directly observed changes at a smaller scale biogeographic distributions, comparative anatomies fossil records and genetics. Each of these provides convincing evidence that evolution of life has occurred. While many people are misinformed about the theory of evolution it is an empirical fact. It is not a theory, but rather a powerful collection of evidence founded on decades of observation. Scientists continue to collect and study new information 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 allow scientists to better understand how to prevent future global catastrophes, and how to use the resources available on our planet. This information will also allow us to better serve the needs and desires of the people who live on this planet.