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The Theory of Evolution The theory of evolution is founded on the fact certain traits are passed on more frequently than others. These traits make it easier to reproduce and survive for individuals, so their number tends to increase over time. Scientists are now able to understand how this process is carried out. For instance an examination of the clawed frog revealed that duplicate genes can result in different functions. The process of evolution occurs naturally The natural process resulting in the evolution of organisms most adjusted to their environment is referred to as “natural selection.” It is one of the primary mechanisms of evolution, along with mutation, migration, and genetic drift. The ones with traits that aid in survival and reproduction are more likely to pass these traits to their offspring. This leads to gradual changes in the frequency of genes over time. This leads to new species being created and existing ones being altered. In the early 19th century, Charles Darwin formulated a scientific theory that explained how biological organisms evolved over time. The theory is based on the idea that more offspring are born than are able to survive, and that these offspring compete with each other for resources in their physical environment. This leads to an “evolutionary struggle” where those with the most desirable traits prevail and others are eliminated. The remaining offspring pass on the genes responsible for these advantageous traits to their children which in turn gives them an advantage over other members of the same species. Over time, the population of organisms with these beneficial traits grows. However, it's difficult to understand how natural selection can create new traits when its primary purpose is to eliminate unfit individuals. In addition, the majority of forms of natural selection deplete genetic variation within populations. Natural selection is unlikely to create new traits without the involvement of other forces. Mutation, genetic drift, and migration are the primary evolutionary forces that change the frequency of genes and result in evolution. Sexual reproduction and the fact each parent transmits half of their genes to their children increases the speed of these processes. These genes, called alleles can occur at different frequency among individuals belonging to the same species. The allele frequencies determine whether a trait will be dominant or recessive. In simplest terms the definition of a mutation is an alteration in the structure of a person's DNA code. The change causes some cells to develop, grow and become a distinct organism in a different way than others. Mutations can increase the frequency of alleles that currently exist or create new ones. The new alleles are then transferred to the next generation and eventually become dominant phenotypes. Evolution is based on natural selection Natural selection is an easy mechanism that alters the population of living organisms over time. It involves the interaction of heritable phenotypic variations and differential reproduction. These elements create a situation that people with beneficial traits live longer and reproduce more frequently than those who do not have them. In time this process can lead to a reshaping of the gene pool, making it more closely aligned with the environment in which individuals live. Darwin's “survival-of-the fittest” is an underlying concept. This process is based upon the idea that people can adapt to their surroundings by displaying various traits. People who have adaptive traits are more likely to survive and reproduce, and therefore produce many offspring. In the long run, this will result in the trait spreading throughout a population, according to BioMed Central. In the end, the trait will be present in all members of a population and the makeup of the population will change. 에볼루션코리아 is referred to as evolution. Those with less adaptive traits will die or will not be able to create offspring and their genes will not make it to future generations. Over time genetically modified organisms are more likely to dominate the population. They will also develop into new species. However, this isn't a guarantee. The environment can alter abruptly making the changes in place. Another factor that may affect the evolution process is sexual selection, where certain traits are preferred due to their ability to increase the chance of mating with others. This can result in some bizarre phenotypes such as brightly-colored plumage on birds or oversized antlers on deer. These phenotypes may not be useful to the organism, but they can boost the chances of survival and reproduction. Another reason why students do not understand natural selection is because they misunderstand it as soft inheritance. Soft inheritance isn't necessary to evolve, but it is usually a key component. This is due to the fact that it allows for the random modification of DNA and the creation of genetic variants that aren't immediately beneficial to the organism. These mutations then become the basis on which natural selection takes action. Genetics and evolution are the foundations of our existence. Evolution is the natural process through which species' inherited characteristics change over time. It is influenced by several factors, such as mutation or gene flow, as well as horizontal gene transfer. The relative frequency of alleles within a population can also influence evolution. This allows the selection of traits that are advantageous in new environments. The theory of evolution is a key concept in biology and has profound implications for understanding of life on Earth. Darwin's ideas, combined with Linnaeus' concepts of relational ties and Lamarck's theories on inheritance, revolutionized the view of how traits are passed from parents to their offspring. Instead of parents passing on inherited characteristics through use or disuse, Darwin argued that they were favored or disfavored by the conditions in which they lived and passed that knowledge on to their children. He called this process natural selection, and his book, The Origin of Species explained how this could lead to the development of new species. Genetic changes, also known as mutations, occur randomly in the DNA of a cell. These mutations are responsible for many phenotypic characteristics, including hair color and eye color. They are also affected by environmental factors. Certain phenotypic traits are controlled by multiple genes, and others have multiple alleles. For instance blood type (A B or O) has three alleles. The combination of the Darwinian ideas about evolution and Mendel's ideas about genetics is referred to as the Modern Synthesis, and it is the framework that combines macroevolutionary changes in fossil records with microevolutionary processes like genetic mutation and trait selection. Macroevolution is a process that takes a very long time and is only visible in the fossil record. Microevolution however, is a process that is much more rapid and can be observed in living organisms. Microevolution is driven by genetic mutation and selection which occur on a lesser scale than macroevolution, and can be enhanced by other mechanisms, like gene flow and horizontal gene transfer. The basis of evolution is chance Evolutionists have used for years the argument that evolution is an uncontrolled process. But this argument is flawed and it is important to know the reason. The argument is based on a misinterpretation of randomness and contingency. This error is rooted in a misreading of the nature of biological contingency as explained by Stephen Jay Gould. He argued that the development of genetic information is not just random, but is also dependent on previous events. He relied on the fact that DNA is a copy of genes, which are themselves dependent on other molecules. In other words, there is a causal structure in all biological processes. The argument is flawed because it is based on the laws and practices of science. These assertions are not only logically untenable however, they are also erroneous. The science of practice assumes that causal determinism is not enough to be able to be able to predict all natural phenomena. Brendan Sweetman's book is an attempt to give a balanced and readable introduction to the connection between evolutionary theory and Christian theism. He is a patient, rather than a flamboyant writer, which suits his goals, which include separating the scientific status of evolutionary theory from its religious implications and cultivating the ability to think clearly about a controversial topic. Although the book isn't quite as comprehensive as it could have been, it still provides an informative overview of the key issues in this debate. It also clarifies that the theories of evolution are well-proven, widely accepted and worthy of rational approval. However the book is less than persuasive when it comes to the issue of whether God plays any part in evolution. Trading Pokemon with other trainers is a great method to save Candy and time. Trading Pokemon with other players reduces the cost of developing certain Pokemon using the traditional method. This is particularly helpful for high-level Pokemon that require plenty of Candy to evolve.