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The theory of evolution based on natural selection is the defining force of modern biology. It connects disciplines such as microbiology, palaeontology, genetics and palaeontology.

The study of evolution can be controversial, and the misinformation that comes from it can lead to confusion over the fundamentals of evolution. This site can help clarify essential concepts.

What is Evolution?

The current understanding of evolution focuses on the gradual, cumulative changes that occur within populations over time. These changes are the results of natural selection. This is a process which increases the number organisms with beneficial traits, which enable them to live and reproduce in certain environments. These organisms produce more offspring as a result of their positive characteristics. This causes an alteration in genetics that could eventually lead to the formation of new species.

The term "evolution" is often ascribed to the notion of "survival of the strongest," which implies that those people who are most well-adapted to a particular set of environmental conditions will have an advantage over those who aren't adapted to the environment. This is just one of many ways that evolution could happen.

Another way that the term "evolution" is used is to suggest that a species will eventually move from one state to the next state of being. This type of view of evolution is known as anagenetic or cladogenesis. The definition of evolution that scientists have developed does not support this idea. The theory of evolution that is based on science change focuses instead on the changes that occur in populations over time. These changes are the result mutations which result in natural selection and genomic variation.

Charles Darwin was one of the scientists who backed this view. Others, including Alfred Russel Wallace, who created the macroevolution theory and believed that this was the only way the higher forms of life could have evolved from the lower forms.

In order for a concept to be called a theory, it must be able to stand up to rigorous testing and evidence. The evidence for evolution has stood up to the test of time and has been backed by a myriad of studies across many sciences, from geology to biology to astronomy. Evolution is a cornerstone of science and is backed by a majority of scientists across the globe. However, many people have misconceptions about the nature of the theory of evolution, specifically the relationship it has with religion.

What is the Theory of Evolution?

Evolution is an explanation for how living things change with time. It is based upon a few known facts: that more offspring are created than can survive as individuals differ in their physical traits and they can transmit traits to future generations. These observations are backed by the increasing amount of evidence from molecular biology, palaeontology functional morphology, climatology, and geology.

Charles Darwin and Alfred Russel Wallace independently conceived the theory of evolution based on selection in the middle of the 19th century as an explanation why organisms are able to adapt to their physical and biologic environments. It is today the most supported and most widely tested theory in the field of science.  에볼루션 게이밍  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 surviving and reproducing, the more likely it is to pass its genes on to future generations.

Some people oppose evolution because they think it implies there is no reason for existence. However, many scientists who are also religious believers such as the renowned Cambridge Palaeontologist Simon Conway Morris, believe that evolution isn't just compatible with faith in God but can be enhanced by it (BioLogos 2014).

Many highly skilled evolutionary biologists have been involved in developing 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 wide variety of phenomena, like phylogenetics, genomics, and the formation and purpose of fossils.

The term "theory" is often used in a wrong sense to mean a guess or speculation but in reality it refers to a scientific hypothesis that has been rigorously evaluated and refined over time. Scientists test their hypotheses by repeating the experiments or observations that led to them. Therefore the theory of evolutionary theory has been repeatedly confirmed, as have the corresponding 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 change in the genetically different individuals within a particular species over time. This change is the result of the natural selection of individuals that are more adapted to their environment. The individuals who are more adapted have better chances of reproduction and survival. As more of these individuals survive and reproduce their genes, they become more common in the population. This process is sometimes called "survival for the fittest."

According to evolution theory the mutations that cause genomic variation are what triggers evolutionary change. These mutations may occur randomly or be affected by the environment. When mutations are random, the resulting allele frequencies may differ from generation to generation. When a mutation is beneficial it will increase the frequency of alleles, causing the allele to be spread across the population.

These changes in allele frequency could lead to new species in the course of time. The new species may continue to evolve and become newer forms. This is a process known as macroevolution. The formation of new species is usually a result of changes in the environment, which makes certain resources available or creates new environmental problems. For instance, the rise of finches in the Galapagos Islands is a result of the availability of various food sources and the need defend themselves from predators.

In a wider context, evolution is defined as any change that occurs in the nature of organisms over time. This change can be small, such as the development of a new coloration, or large, such as the development of a brand new organ.

Scientists who accept the theory of evolution generally agree on the importance of genetic change in generating evolution. They also acknowledge that evolution is a process that takes place over time, typically over millions of years. However, they differ over the role of different factors in accelerating or retarding this process, such as the role of environmental pressures, sexual selection and mutation bias. Despite these differences, the majority of scientists believe that evolution has occurred and the evidence to prove this is overwhelming.

What evidence can be found for evolution?

In the decades since Darwin's time, scientists have gathered evidence to support his theory of evolution. Some of this evidence is derived from fossils which demonstrate the changing features of living organisms over time. Similarities between living and non-living organisms as well as embryology, biogeography and genetics are evidence.

The evolutionary tree is the best way to prove evolution. It shows how different species are closely related. Another way to prove it is homologous structures, which have a similar structure in different species but have distinct functions such as the wings of bats and birds. The fact that different species develop and adapt to a similar environment is also evidence of evolution. For example, arctic-foxes and Ptarmigans wear white pelts during the winter months which blend with snow and ice. This is a type of convergent evolutionary process, which suggests that the species share ancestors.

Another piece of evidence is the existence of vestigial structures. These are unusable organs that could serve a purpose in a distant ancestor. For instance the human appendix may be a vestige of a once-used organ that was used to digest food. Natural selection causes the structures to shrink when they are no longer used.

Scientists have also collected evidence for evolution by observing and experimenting. Evidence for evolution is grouped into six categories: directly observed small-scale changes in biogeographic distribution, comparative anatomy, the fossil record, classification and 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 established fact. It isn't only a theory, it is a powerful collection of decades of research and observation that has been proven and tested. No matter what people believe or disbelieve about the theory of evolution, scientists continue to study and collect new data to better comprehend the evolution of life on Earth. This information will aid scientists understand how to prevent future catastrophes on the planet and how to best use the resources of our planet. This will allow us to better meet the needs of people living on this planet.