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The Theory of Evolution The theory of evolution is based on the fact that certain traits are passed down more often than others. These characteristics make it easier to live and reproduce for individuals, which is why their number tends to increase over time. Scientists understand now how this process works. A study of the clawed-frog showed that duplicate genes can serve different functions. Evolution is a natural process that occurs naturally Natural selection is the process that leads to organisms evolving to be best adjusted to the environment they reside in. It is one of the major processes of evolution that is accompanied by mutations as well as migrations and genetic drift. Those with traits which facilitate survival and reproduction will be more likely to pass the traits to their offspring. This leads to gradual changes in the frequency of genes as time passes. This leads to the formation of new species as well as the transformation of existing species. In the early 19th century, Charles Darwin formulated a scientific theory that explained how living organisms evolved over time. The theory is based on the idea that more offspring are produced than can be sustained, and that these offspring compete for resources in their physical environments. This creates an “struggle for survival” where those who have the most advantageous traits win while others are discarded. The offspring that survive pass on these genes to their offspring. This gives them an advantage over the other species. As time passes, the organisms that have these desirable traits increase in number. It is difficult to comprehend how natural selection could generate new traits when its primary function is to eliminate individuals who are not physically fit. Additionally that the majority of natural selections reduce the genetic variation of populations. This means that it is unlikely that natural selection can produce the emergence of new traits unless other forces are in play. mouse click the next page , genetic drift, and migration are the major forces of evolution that alter gene frequencies and cause evolution. These processes are speeded up by sexual reproduction and the fact that each parent gives half of its genes to offspring. These genes, referred to as alleles, may be present at different frequency among individuals belonging to the same species. The frequencies of the alleles that result determine whether the trait will be dominant or recessive. A mutation is simply a change to the DNA code of an organism. The mutation causes certain cells to develop, grow and evolve into a distinct entity in a different way than others. Mutations can increase the frequency of alleles already exist or create new ones. The new alleles then get transferred to the next generation, and then become dominant phenotypes. Evolution is based on natural selection Natural selection is a simple process that alters the populations of living organisms over time. It involves the interaction of heritable phenotypic variation as well as differential reproduction. These causes create the situation that people who have beneficial characteristics are more likely survive and reproduce more than those who don't. This process eventually leads to a reshaping the gene pool to ensure that it is more closely aligned to the environment in which people reside. Darwin's “survival-of-the best” is based on this concept. This is based on the assumption that individuals can adapt to their environment by displaying different characteristics. The traits that are adaptive increase the chances of individuals to live, reproduce and produce many offspring. In the long term, this will allow the trait to spread throughout a group according to BioMed Central. In the end, the trait will be found in all members of a population and the makeup of the population will change. This is called evolution. People with less adaptive characteristics will die off or will not be able to produce offspring and their genes will not be passed on to future generations. As time passes, genetically modified organisms will dominate the population and develop into new species. However, this is not an absolute process. The environment can alter abruptly, making the adaptations obsolete. Another factor that may affect the evolution process is sexual selection, where certain traits are preferred because they increase a person's chance of mating with others. This can lead to some bizarre phenotypes, such as brightly colored plumage in birds, or the massive antlers of deer. These phenotypes aren't necessarily useful to the organism, but they can increase the chances of survival and reproduction. Many students are also confused about natural evolution because they confuse it with “soft inheritance”. Soft inheritance isn't necessary for evolution but it is often a crucial component. This is because soft inheritance allows for random modifications of DNA and the creation of new genetic variants that aren't immediately useful to an organism. These mutations become the raw material on which natural selection operates. Genetics is the basis of evolution Evolution is the natural process through which the characteristics of species change over time. Our Site is influenced by a variety of factors, such as mutation in gene flow, genetic drift, and horizontal gene transfer. The frequency of alleles within a population can also influence evolution. This permits the selection of traits that are advantageous in the new environment. The theory of evolution is a fundamental concept in biology and has profound implications for our understanding of life. Darwin's theories, when paired with Linnaeus notions of relational ties and Lamarck's theories on inheritance, transformed the idea of how traits are passed down from parents to their offspring. Darwin argued that parents passed on traits inherited from their parents by their use or lack of use but instead they were favored or disadvantageous by the environment they lived in and passed this information onto their offspring. He 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 changes or mutations happen in the DNA of cells. These mutations are responsible for many traits, such as the color of eyes and hair. They can also be affected by environmental factors. Certain phenotypic traits can be controlled by multiple genes, and some even have more than two alleles, like blood type (A B, or O). The combination of the Darwinian ideas about evolution with Mendel's ideas about genetics is referred to as the Modern Synthesis, and it is the framework that connects macroevolutionary changes in fossil records with microevolutionary processes such as genetic mutation and the selection of traits. Macroevolution takes a long time to complete and is only visible in fossil records. 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 operate on a smaller scale than macroevolution. It can be enhanced by other mechanisms, like gene flow and horizontal gene transfer. Evolution is based on chance Evolutionists have long used the argument that evolution is an uncontrolled process. This argument is flawed and it is important to know why. The argument is based on a misinterpretation of randomness and contingency. This mistake is the result of a misreading the nature of biological contingency as described by Stephen Jay Gould. He argued that genetic information doesn't develop randomly, but is influenced by past events. He relied on the fact that DNA is an exact 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 also flawed because it is based on laws and practices of science. These assertions are not only not logically logical, but they are also erroneous. Furthermore, the practice of science requires a causal determinism which isn't enough to be able to identify all natural phenomena. Brendan Sweetman's book aims to provide a logical and accessible introduction to the connection between evolutionary theory and Christian theism. He isn't a flashy author, but a patient one, which fits his objectives that include separating the scientific and implications for religion from evolutionary theory. The book might not be as comprehensive as it could have been, but it still gives an excellent overview of the debate. It also makes it clear that evolutionary theory is a well-confirmed scientific theory that is widely accepted by experts in the field, and worthy of the rational assent. The book is less convincing when it comes down to whether God plays any part in the evolution process. Trading Pokemon with other trainers is a great way to save Candy and also save time. The cost of evolving certain Pokemon using the traditional method, like Feebas, is reduced by trading them with other players. This is particularly beneficial for high-level Pokemon that require plenty of Candy to develop.