The Evolution Site

The theory of evolution based on natural selection is the unifying force of modern biology. It ties together disciplines as diverse as genetics, microbiology, and Palaeontology.

The study of evolution may be controversial and the misinformation that is generated can lead to confusion about the fundamentals of evolution. This site clarifies essential concepts.

What is Evolution?

Modern evolutionary theory is based on the gradual and cumulative changes that take place in populations over time. These changes are a result of natural selection, a process that increases the amount of organisms that have beneficial traits that enable them to live and reproduce in a specific environment. In turn, these organisms leave more offspring than those that do not have the beneficial characteristics. This leads to the genetic changes that can eventually lead to the development of new species.

The term "evolution" is often ascribed to the notion of "survival of the strongest," which implies that those people who are the most adapted to a particular environment will be more successful than those who are not well-adapted. This is only one of the many ways in which evolution can occur.

Another common way the word evolution is used is to suggest that a species will eventually change from one state of being to the next state of being. This kind of view can be referred to as anagenetic or cladogenesis. This view is not supported by the definition of evolution in science. The theory of evolution that is based on science changes focuses on the changes that occur in populations over time. These changes are the result of mutations which result in natural selection and genomic variation.

Some scientists, such as the great Charles Darwin, advocated this theory of evolution. Others, such as Alfred Russel Wallace, who came up with the macroevolution theory, believed that this was the only way that the higher forms of life could be derived from lower ones.

A concept must be able stand up to rigorous tests and evidence in order to be considered as a theory. Evolution has stood the test of time and has been backed by many scientific disciplines, from biology to geology, chemistry to astronomy. Evolution is the foundation of science and is supported by the majority of scientists across the world. Many people are confused about the nature of the evolution theory and how it connects to religion.

What is the Theory of Evolution (Evolutionary Theory)?

Evolution is the scientific explanation of how living things change over time. It is based on a range of well-established and observable facts such as the fact that more offspring are produced than can possibly survive; that individuals differ from one another in their physical characteristics (phenotype) and that distinct traits confer varying rates of survival and reproduction; and that traits can be passed on to the next generation. 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 initially conceived by Charles Darwin and Alfred Russel Wallace in the mid-19th century to provide an explanation for how organisms adapt to their biological and physical environments. It is today the most supported and most extensively tested theory in the field of science. Its predictions were proved by the fact that, for instance, more complex organisms have less genetic mutations. The more successful an organism gets in terms of its longevity and reproducing, the more likely it is to pass its genes on to the next generation.

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

Many highly qualified evolutionary biologists have been involved in developing and testing the theory of evolution, including several revered evangelical Christian leaders. Many of these researchers contributed to the understanding a vast array of phenomena, such as genomics and phylogenetics as well as the formation and function fossils.


The term "theory" that is often used incorrectly is a reference to a scientific hypothesis that has been tested and refined over a long period of time. Scientists test hypotheses through repeating the experiments or observations that led them to them. So the theory of evolutionary 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 the gradual change over time in the ratio of genetically distinct individuals within a specific species. This is the result of natural selection, which favors individuals who are better adapted for their environment. The individuals who are more adapted have higher chances of reproducing and survival. 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 fittest."

According to the theory of evolution the causes of mutations that result in genomic variation are what triggers evolution. These mutations may occur randomly or be affected by the environment. When mutations are random, the frequency of the resultant alleles could differ from generation to generation. When an alteration is beneficial it will 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 as time passes. The new species will grow and evolve into new forms. This is known as macroevolution. The formation of new species is usually due to changes in the environment which make certain resources available or creates new environmental issues. The evolution of finches in the Galapagos Islands, for example is due to the availability of fresh food and the necessity to defend themselves from predators.

In a larger sense it is any change that takes place in the nature of living organisms over time. This change can be subtle, like the development of a new color or a dramatic change, such as the formation of an organ.

Scientists who believe in evolution theory generally agree that genetic change is crucial in the process of the process of generating evolution. They also acknowledge that the process of evolution takes place over a long period of time, usually millions of years. However, they differ on the role of different factors that speed up or slow down the process, including the impact of environmental pressures, sexual selection and mutation bias. Despite these differences, most scientists believe that evolution is happening and that evidence for this is overwhelming.

What evidence can be found for evolution?

Since Darwin's time, scientists have collected evidence to back his theory of evolution. Some of this evidence comes from fossils which demonstrate the changing features of living things over time. Similarities between living organisms as well as embryology, biogeography, and genetics are evidence.

The primary evidence of evolution is found in the evolutionary tree, which illustrates how different species are related. Another way to prove it is homologous structures, which have similar structures in different species but have distinct functions, such as the wings of birds and bats. Evolution is evident in that different species adapt and develop to similar environments. For instance, arctic-foxes and Ptarmigans have white fur coats which blend with snow and ice. This is a kind of convergent evolutionary process, which suggests that the species share common ancestors.

Another evidence point is the existence of vestigial structures. These are unusable organs which could serve a purpose in the distant ancestors. The human appendix for instance, is a vestige from an organ that was once used to digest food. These structures tend to shrink in size as they're no longer in use in a process called natural selection.

Scientists have also gathered evidence of evolution through observation and experimenting. The evidence for evolution is divided into six categories: directly observed small-scale changes in biogeographic distribution, comparative anatomy, the fossil record, classification and genetics. Each of these categories provides solid evidence for the evolution of life.

Many people have misconceptions about the theory of evolution. But, it's a fact. 무료에볼루션 is not a speculative theory, but rather a powerful collection that is based on decades of observation. Scientists continue to collect and analyze new data to better understand the history of the Earth's life regardless of whether people believe in the theory of evolution or not. This information will allow scientists to better understand how to avoid future catastrophes on the planet, and how to best utilize the resources on our planet. It will also enable us to better serve the needs of the people living on the planet.