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The Theory of Evolution The theory of evolution is based on the fact certain traits are passed on more often than others. These traits make it easier to live and reproduce for individuals, and their number tends to increase over time. Scientists have a better understanding of how this process operates. A study of the clawed-frog revealed that duplicate genes could serve different functions. The process of evolution occurs naturally Natural selection is the process that leads to organisms evolving to be best adapted to the environment they reside in. It is one of the major mechanisms of evolution, along with mutations, migrations, and genetic drift. Those with traits that facilitate survival and reproduction are more likely to pass these traits to their offspring, leading to gradual changes in the frequency of genes over time. This leads to the formation of new species and the transformation of existing ones. Charles Darwin developed a scientific theory in the early 19th century that explained how organisms developed over time. The theory is based on the concept that more offspring are produced than can be sustained and that the offspring compete with each other for resources in their physical environments. This creates an “evolutionary struggle” in which those who have the most desirable traits prevail and others are eliminated. The remaining offspring pass on the genes that confer these beneficial traits to their offspring, which in turn give them an advantage over other members of the same species. Over time, organisms with these advantageous traits increase in size. It is difficult to comprehend how natural selection can create new traits when its primary purpose is to eliminate those who aren't fit. In addition, the majority of natural selections decrease the genetic variation of populations. Natural selection is unlikely to create new traits without the involvement of other forces. Mutation, genetic drift and migration are the primary forces of evolution that alter gene frequencies and lead to evolution. Sexual reproduction and the fact that every parent transmits half their genes to each child accelerates these processes. These genes are referred to as alleles, and they may be different in different individuals of the same species. The frequencies of the alleles that result determine whether the trait is dominant or recessive. A mutation is simply an alteration to the DNA code of an organism. The change causes some cells to develop, grow and evolve into a distinct entity while others don't. Mutations can increase the frequency of alleles that currently exist or create new ones. The new alleles could be passed on to the next generations, and eventually become the dominant phenotype. Natural selection is the foundation of evolution Natural selection is a straightforward mechanism that causes populations of living things to change over time. It is a result of the interaction between heritable phenotypic variation and differential reproduction. These factors create a situation that people with beneficial traits are able to reproduce more frequently than those who do not have them. Over time this process can lead to changes in the gene pool, thereby making it more closely matched to the environment in which individuals reside. This is the premise behind Darwin's “survival of the strongest.” This process is based on the assumption that individuals can adapt to their surroundings by displaying different characteristics. People with adaptive traits are more likely to live and reproduce, which means they are more likely to produce many offspring. In the long run, this will allow the trait to spread across a population according to BioMed Central. In the end, all members of the population will be affected and the population will change. This is referred to as evolution. People with less adaptive characteristics will die off or fail to produce offspring and their genes will not survive into the next generation. As time passes genetically altered organisms are likely to dominate the population. They may also develop into new species. It is not a sure thing. The environment may change abruptly making the changes in place. Another factor that may affect the evolution process is sexual selection, in which certain traits are preferred because they increase a person's chances of mating with other. This may result in odd phenotypes like brightly-colored plumage on birds or huge antlers on deer. These phenotypes might not be beneficial to the organism, but they can boost the chances of survival and reproducing. Many students are also confused about natural evolution because they confuse it with “soft inheritance”. Soft inheritance is not necessary to evolve, but it is usually a key component. This is because it allows for random modification of DNA and the creation of new genetic variants which are not immediately useful to an organism. These mutations then become the raw material upon which natural selection takes action. Evolution is based on genetics Evolution is the natural process in which the characteristics of species change over time. It is influenced by a number factors, including mutation in gene flow, gene flow and horizontal gene transfers. The frequency of alleles within a group can influence the development. This allows for the selection of traits that are advantageous in the new environment. The theory of evolution is a fundamental idea in biology, and has profound implications for understanding of life on Earth. Darwin's theories, along with Linnaeus notions of relatedness and Lamarck theories of inheritance changed the way that traits are passed from parent to child. Instead of parents passing on their inherited traits through use or misuse, Darwin argued that they were favored or disadvantaged by the environment they lived in and passed on this knowledge to their children. Darwin called this natural selection, and in his book The Origin of Species he explained how this could lead to the development of new types of species. Random genetic modifications, or mutations, occur in the DNA of cells. These mutations can result in many phenotypic traits, from hair color to eye color, and are affected by a variety of environmental factors. Some phenotypic characteristics are controlled by more than one gene, and others have multiple alleles. For instance blood type (A B or O) has three alleles. Modern Synthesis is a framework that blends Darwinian theories of evolution and Mendel's genetics. It combines macroevolutionary changes discovered in fossil records with microevolutionary processes like genetic mutation and trait-selection. Macroevolution is a process which is extremely long and is only visible in the fossil record. Microevolution however is a process that occurs much faster and can be observed in living organisms. Microevolution is a process that is driven by genetic selection and mutation that are smaller scales than macroevolution. It can also be increased through other mechanisms, like gene flow or horizontal gene transfer. Evolution is based upon chance Evolutionists have long used the argument that evolution is random. This argument is faulty and it is important to know the reasons. For instance, the argument conflates randomness and contingency. This mistake is the result of an incorrect understanding of the nature of biological contingency as described by Stephen Jay Gould. He argued that the growth of genetic information is not just random, but is dependent on events that have occurred before. He based his argument on the fact that DNA is a copy of genes, which depend on other molecules. In other terms, there is a causal structure that is the basis of every biological process. The argument is flawed further because it is based on the laws and practices of science. These assertions aren't just logically untenable and untrue, but also untrue. In addition the practice of science relies on a causal determinism that isn't enough to account for all natural events. In 에볼루션사이트 , Brendan Sweetman aims to provide a balanced, generally accessible introduction to the relationship between evolutionary theory and Christian theism. He is a patient, rather than a flashy writer, which suits his goals, which include disentangling the scientific value of evolutionary theory from its religious implications, and cultivating the ability to consider the implications of a controversial topic. The book might not be as thorough as it should have been however, it provides an excellent overview of the debate. It also demonstrates that evolutionary theory is a well-confirmed scientific theory, widely accepted by experts in the field and worthy of rational acceptance. The book isn't as convincing when it comes to the question of whether God has any role in the process of evolution. Trading Pokemon with other trainers is an excellent way to save Candy and save time. The cost of evolving certain Pokemon by the traditional method, such as Feebas is decreased by trading them with other players. This is especially beneficial for high-level Pokemon, which require a lot of Candy to evolve.