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The Evolution Site

The theory of natural selection as the foundation of evolution is the central force in the current biology. It combines disciplines like genetics, palaeontology and microbiology.

The study of evolution may be controversial, and the misinformation that comes from it can cause confusion about its basic concepts. This site explains the fundamental concepts.

What is Evolution?

The current understanding of evolution is based on the gradual change that occurs within populations over time. These changes are the result of natural selection. This is a process that increases the number of 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 leads to a genetic change that can eventually lead to the creation of new species.

The term "evolution" is often associated with "survival-of-the best" which implies that individuals who are more adjusted to certain conditions will have a distinct advantage over those less well-adapted. In actuality this is just one of the many ways that evolution can occur.

Another way to use the word evolution is to suggest that a species will progress from one state to the next. This theory of evolution is referred to as anagenetic or cladogenesis. This view is not supported by the definition of evolution in science. Instead, the scientific theory of evolution concentrates on the changes that occur within populations over time and these changes are the result of mutations that produce genomic variation and natural selection.

Certain scientists, including the great Charles Darwin, advocated this theory of evolution. Alfred Russel Wallace who developed the macroevolution theory believed this was the only way that higher living forms could have evolved.

For a concept to be considered a theory, it has to be capable of standing up to rigorous tests and evidence. The evidence of evolution has withstood the test of time and has been backed by countless studies in a wide range of scientific disciplines, from biology to geology to chemistry to astronomy. Evolution is the foundation of science and is backed by a majority of scientists around the world. However, there are many misconceptions about the theory of evolution, particularly the relationship it has with religion.

What is the Theory of Evolution (Evolutionary Theory)?

Evolution is a scientific explanation of the way living things change over time. It is based on a variety of well-established and observable facts that show that more offspring are often produced than can possibly survive and that individuals differ from one another in their physical characteristics (phenotype) and that distinct traits have different rates of reproduction and survival; and that traits can be passed on to the next generation. These observations are supported by the increasing body of evidence from molecular biology, palaeontology, functional morphology, climatology, and geology.

Charles Darwin and Alfred Russel Wallace independently developed the theory of evolution based on selection in the mid-19th century as a way to explain how organisms are adapted their physical and biological environments. It is the most widely accepted and validated theory in science. Its theories have been proven out by the fact that, for instance more complex organisms are more likely to have less genetic mutations than simpler ones. Additionally, the more successful an organism is in being able to reproduce and survive, the more likely it is to pass its genes to the next generation.

Some people object to evolution because they believe that it implies that there is no purpose to life. Many scientists who are religious believers such as the Cambridge Palaeontologist Simon Conway Morris (BioLogos, 2014) believe that evolution is compatible with faith in God and even enhanced by it.

In actual fact, a significant number of highly skilled evolutionary biologists, some of who are renowned evangelical Christian leaders are involved in the creation and testing of the theory of evolution. Many of these scientists have contributed to the understanding of a wide variety of phenomena, such as phylogenetics, genomics, and the formation and function of fossils.

The term "theory", which is often misused is a reference to a scientific hypotheses that have been tested and refined over time. Scientists test their theories by repeating the experiments or observations that have led to them. The theory of evolution has been repeatedly proven out as have the corresponding theories of Copernican, germ theory, and atomic theory.

What is the Process of Evolution?

The process of evolution is a gradual change in the genetically diverse individuals within a species over time. This is the result of natural selection, which favors those who are better adapted for their environment. The individuals who are more adapted have higher chances of reproducing and survival. As more people survive and reproduce, their genes are more widely distributed in the population. This process is sometimes called "survival for the strongest."

According to the theory of evolution, mutations that lead to genomic variation are what drives evolutionary change. These mutations can occur randomly or be influenced by the environment. When mutations are random, the frequency of the resultant alleles could vary from generation to generation. If a mutation is beneficial it can increase the frequency of the allele and cause the allele to be spread across the population.

The changes in frequency of alleles can result in new species in the course of time. The new species can then develop further and evolve into newer forms. This process is known as macroevolution. The creation of an entirely new species is typically due to changes in the environment that make certain kinds of resources available or cause new environmental challenges. For example, the evolution of finches in the Galapagos Islands is a result of the availability of different food sources and the need to defend themselves from predators.

In a wider context, evolution is defined as any change that occurs in the nature of organisms over the course of time. The change could be subtle, like the development of a new color or dramatic, like the development of an organ.

Scientists who believe in evolution theory generally believe that genetic change is crucial in the process of creating evolution. They also acknowledge that the process of evolution occurs over a lengthy period of time, often millions of years. However, they differ over the role of various factors in accelerating or retarding the process, including the role of environmental pressures, sexual selection and mutation bias. Despite these differences, the majority of scientists believe that evolution is happening and the evidence to prove this is overwhelming.

What evidence do we have to support evolution?

In the decades since Darwin's time, scientists have gathered evidence that supports his theory of evolution. This evidence comes from fossils that demonstrate the evolution of organisms over time. Similarities between living organisms as well as embryology, biogeography and genetics are also evidence.

The evolutionary tree is the most effective method to prove the existence of evolution. It shows how different species are closely related. Another evidence source is homologous structures, which have similar structure in different species, but serve different purposes like the wings of bats and birds. 에볼루션카지노 is evident in that different species adapt and develop to similar environments. For instance, arctic foxes and Ptarmigans have white seasonal pelts that blend in with the snow and ice. This is a type of convergent evolution, which suggests that the species had common ancestors.

The vestiges of structures are another source of evidence. These are a part of an organism which may have served some purpose in the distant past. The human appendix for instance is a remnant of an organ that once used to digest food. These structures tend to shrink in size when they are no longer utilized which is a process referred to as natural selection.

Scientists have also collected other evidence for evolution through observation and experimentation. Evidence for evolution is grouped into six categories: directly observed small-scale changes in biogeographic distribution as well as comparative anatomy, fossil record, classification and genetics. Each of these provides compelling evidence that the evolution of life has taken place.


Many people have misconceptions about the theory of evolution. However, it's a fact. It is not only a 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 arc of Earth's evolution, regardless of whether people believe in the theory of evolution or not. This information will help scientists better understand how to prevent 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 wants of the people living on this planet.

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