• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

The Evolution Site

The theory of evolution by natural selection is the defining force of modern biology. It connects disciplines like genetics, palaeontology and microbiology.

The study of evolution may be controversial and the misinformation that is generated can lead to confusion about its fundamentals. This website helps to to clarify the fundamental concepts.

What is Evolution?

The modern conception 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 that increases the number of organisms with beneficial traits, which allow them to survive and reproduce in specific environments. The organisms that have these traits produce more offspring as a result of the positive characteristics. This can result in a genetic mutation that may eventually lead to new species.

The term "evolution" is often associated with the notion of "survival of the strongest," which implies that those individuals who are best adapted to a particular set of environmental conditions will be more successful than those who aren't well-adapted. However, this is only one of the many ways in which evolution can occur.

Another popular way in which the word evolution is used is to suggest that a species will inevitably progress from one state to the next one. This type of view of evolution is referred to as anagenetic or cladogenesis. This theory is not supported by the scientific definition of evolution. Instead, the scientific theory of evolution focuses on changes that occur in populations over time and these changes are the result of genetic mutations and 에볼루션 슬롯 natural selection.

Certain scientists, including the great Charles Darwin, advocated this theory of evolution. Others, including Alfred Russel Wallace, who created the macroevolution theory, believed that this was the only way the higher forms of life could be derived from lower forms.

A concept must be able stand against rigorous tests and evidence in order to be considered as a theory. The evidence of evolution has withstood the test of time and has been supported by a myriad of studies across various sciences, from geology to biology to astronomy. In actual fact evolution is considered to be one of the foundations of science today and is backed by the vast majority of scientists across the globe. However, many people have misconceptions about the theory of evolution, particularly how it is related to religion.

What is the Theory of Evolution (Evolutionary Theory)?

Evolution is an explanation for how living things change with time. It is based on few well-established facts: that many more offspring are created than can be surviving, that individuals differ in their physical traits and they can pass on traits to the next generation. These observations are backed by the increasing body of evidence from molecular biology, palaeontology, functional morphology, climatology and geology.

Charles Darwin and Alfred Russel Wallace independently conceived the theory of evolution through selection in the mid-19th Century as a way to explain how organisms are adapted their physical and biologic environments. It is now the best-supported and most widely tested theory in all of science. Its theories have been proven out by the fact that, for example, 에볼루션 바카라 more complex organisms are more likely to have fewer genetic mutations than simpler ones. Additionally, the more successful an organism is at reproduction and survival and reproducing, the more likely it will be to pass its genes to the next generation.

Some people object to evolution because they believe it implies that there is no purpose to life. However, a lot of scientists who are also religious such as the renowned Cambridge Palaeontologist Simon Conway Morris, believe that evolution is not only compatible with faith in God but also enhances it (BioLogos 2014).

In actual fact, a significant number of highly trained evolutionary biologists, some of who are revered evangelical Christian leaders, have been involved in the creation and testing of the theory of evolution. Many of them have contributed to the understanding of a broad variety of phenomena, 에볼루션 바카라사이트 such as phylogenetics, genomics, and the formation and role of fossils.

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

What is the Process of Evolution?

The process of evolution is a gradual change in the genetically different individuals within a species over time. This change is the result of the natural selection of those who are more adapted to their environment. The individuals who are more adaptable have a greater chance of survival and reproduction. As more people live and reproduce their genes become more prevalent within the population. This is often referred to as "survival of the strongest."

According to the theory of evolution, the mutations that produce genomic variation are the primary basis for evolutionary change. These mutations may occur randomly or under the influence of 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 which causes the allele to be spread across the population.

Over time, these changes in the frequencies of alleles can lead to the formation of new species. The new species will then develop and evolve into new forms. This is known as macroevolution. The creation of an entirely new species is typically due to changes in the environment which allow certain kinds of resources to become available or create new environmental challenges. For instance, the rise of finches on the Galapagos Islands is a result of the abundance of foods and the need to protect themselves from predators.

In a larger sense the term "evolution" refers to any change that occurs in the nature of living organisms over time. This change can be subtle, such as the development of new colors or a dramatic change, such as the development of an organ.

Scientists who accept evolution theory generally agree that genetic change is crucial in the process of creating evolution. They also agree that evolution is a process that happens in time, typically over millions of years. However, they differ on the role of different factors in speeding or slowing the process, like the role of environmental pressures, sexual selection, and mutation bias. Despite these disagreements, most scientists still believe that evolution is real and that the evidence to support this is overwhelming.

What is the Evidence of Evolution?

Since Darwin's time, scientists have collected evidence to support his theory of evolution. The evidence comes from fossils that demonstrate the evolution of living organisms over time. Similarities between living organisms as well as embryology, biogeography and genetics are evidence.

The evolutionary tree is the best method of proving evolution. It shows how different species are related. Another source of evidence is homologous structures, which share a similar structure in different species, but perform distinct functions such as the wings of bats and birds. Evolution is evident in that different species adapt and grow to similar environments. For instance, 에볼루션 게이밍 arctic-foxes and ptarmigans grow seasonal white pelts that blend in with snow and ice. This is a form of convergent evolutionary process which suggests that the species have shared ancestors.

Another source of evidence is the existence of vestige structures, which are unusable parts of an organism that may serve a purpose in the distant ancestors. The human appendix, for instance is an odour from an organ that was used to digest food. Natural selection causes these structures to shrink as they are no longer utilized.

Scientists have also gathered evidence of evolution through observation and testing. The evidence for evolution can be divided into six categories: directly observable small-scale changes, biogeographic patterns and comparative anatomy, the fossil record, classification and genetics. Each of these categories offers compelling evidence for the evolution of life.

Although many people have misconceptions about the theory of evolution it is an empirical fact. It is not simply a flimsy theory. It is a mighty collection of years of observation and accumulated data that has been proven and tested. No matter what people believe or don't believe about the theory of evolution scientists continue to study and discover new information in order to further comprehend the evolution of life on Earth. This information will aid scientists understand how to prevent future global catastrophes and also how to best utilize our planet's resources. It will also enable us to better meet the needs of all the people on this planet.