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What is Free Evolution?<br><br>Free evolution is the notion that natural processes can cause organisms to evolve over time. This includes the development of new species and the alteration of the appearance of existing ones.<br><br>Numerous examples have been offered of this, including various varieties of stickleback fish that can be found in fresh or salt water and walking stick insect varieties that are attracted to specific host plants. These reversible traits are not able to explain fundamental changes to the basic body plan.<br><br>Evolution through Natural Selection<br><br>The development of the myriad of living organisms on Earth is a mystery that has fascinated scientists for many centuries. The most widely accepted explanation is Charles Darwin's natural selection, a process that occurs when better-adapted individuals survive and reproduce more effectively than those that are less well-adapted. As time passes, the number of individuals who are well-adapted grows and eventually develops into a new species.<br><br>Natural selection is an ongoing process and involves the interaction of three factors: variation,  [https://wikimapia.org/external_link?url=https://clinfowiki.win/wiki/Post:Free_Evolution_11_Things_Youve_Forgotten_To_Do 에볼루션 코리아] reproduction and  [https://milsaver.com/members/paradehyena1/activity/996650/ 에볼루션 바카라 사이트] inheritance. Variation is caused by mutation and sexual reproduction both of which enhance the genetic diversity of an animal species. Inheritance is the term used to describe the transmission of genetic traits, including both dominant and recessive genes to their offspring. Reproduction is the process of creating fertile, viable offspring. This can be achieved through sexual or asexual methods.<br><br>Natural selection is only possible when all of these factors are in balance. If, for instance the dominant gene allele allows an organism to reproduce and survive more than the recessive allele The dominant allele is more prevalent in a population. If the allele confers a negative survival advantage or decreases the fertility of the population, it will go away. This process is self-reinforcing meaning that an organism with a beneficial trait can reproduce and survive longer than an individual with a maladaptive trait. The more offspring an organism can produce, the greater its fitness, which is measured by its ability to reproduce itself and survive. Individuals with favorable characteristics,  [https://menwiki.men/wiki/7_Simple_Secrets_To_Totally_You_Into_Evolution_Baccarat_Free_Experience 에볼루션 바카라 무료] [https://qa.holoo.co.ir/user/moneylamb1 에볼루션 바카라 사이트]사이트 [[http://www.1v34.com/space-uid-1190427.html Check Out www.1v34.com]] such as the long neck of the giraffe, or bright white color patterns on male peacocks, are more likely than others to live and reproduce which eventually leads to them becoming the majority.<br><br>Natural selection only affects populations, not on individual organisms. This is a major distinction from the Lamarckian theory of evolution, which claims that animals acquire characteristics through use or disuse. For example, if a animal's neck is lengthened by stretching to reach prey and its offspring will inherit a more long neck. The difference in neck size between generations will increase until the giraffe is unable to reproduce with other giraffes.<br><br>Evolution through Genetic Drift<br><br>In the process of genetic drift, alleles of a gene could attain different frequencies in a population due to random events. Eventually, only one will be fixed (become common enough to no longer be eliminated through natural selection) and the other alleles will decrease in frequency. In extreme cases this, it leads to dominance of a single allele. The other alleles are essentially eliminated and heterozygosity has been reduced to a minimum. In a small group it could lead to the total elimination of the recessive allele. This scenario is called the bottleneck effect. It is typical of an evolutionary process that occurs when the number of individuals migrate to form a group.<br><br>A phenotypic bottleneck may occur when survivors of a disaster like an epidemic or mass hunt, are confined within a narrow area. The survivors will share a dominant allele and thus will share the same phenotype. This could be caused by war, an earthquake or even a disease. Whatever the reason the genetically distinct population that remains is susceptible to genetic drift.<br><br>Walsh, Lewens and Ariew define drift as a deviation from expected values due to differences in fitness. They provide a well-known example of twins that are genetically identical, share the exact same phenotype and  [https://scientific-programs.science/wiki/The_Top_Reasons_Why_People_Succeed_In_The_Evolution_Casino_Industry 에볼루션 코리아] yet one is struck by lightning and dies, whereas the other lives and reproduces.<br><br>This kind of drift could be vital to the evolution of a species. However, it is not the only way to evolve. Natural selection is the most common alternative, in which mutations and migration maintain the phenotypic diversity in the population.<br><br>Stephens asserts that there is a significant difference between treating drift as a force or as an underlying cause, and considering other causes of evolution such as selection, mutation and migration as forces or causes. He argues that a causal-process account of drift allows us distinguish it from other forces and that this distinction is crucial. He further argues that drift has both a direction, i.e., it tends towards eliminating heterozygosity. It also has a size which is determined by the size of the population.<br><br>Evolution through Lamarckism<br><br>In high school, students take biology classes, they are frequently introduced to the work of Jean-Baptiste Lamarck (1744 - 1829). His theory of evolution, often referred to as "Lamarckism which means that simple organisms evolve into more complex organisms through taking on traits that are a product of the use and abuse of an organism. Lamarckism is typically illustrated by a picture of a giraffe stretching its neck to reach higher up in the trees. This would cause giraffes to give their longer necks to their offspring, which then get taller.<br><br>Lamarck the French zoologist, presented an innovative idea in his opening lecture at the Museum of Natural History of Paris. He challenged the conventional wisdom on organic transformation. According to him living things evolved from inanimate matter via an escalating series of steps. Lamarck was not the first to suggest that this could be the case but he is widely seen as giving the subject its first general and comprehensive treatment.<br><br>The most popular story is that Lamarckism grew into a rival to Charles Darwin's theory of evolutionary natural selection and that the two theories battled it out in the 19th century. Darwinism ultimately prevailed and led to what biologists call the Modern Synthesis. The theory argues that acquired traits can be passed down and instead argues that organisms evolve through the influence of environment factors, such as Natural Selection.<br><br>Lamarck and his contemporaries supported the idea that acquired characters could be passed down to the next generation. However, this idea was never a major part of any of their theories on evolution. This is largely due to the fact that it was never validated scientifically.<br><br>It's been over 200 years since the birth of Lamarck, and in the age genomics, there is a growing evidence base that supports the heritability acquired characteristics. This is also referred to as "neo Lamarckism", or more generally epigenetic inheritance. This is a model that is just as valid as the popular Neodarwinian model.<br><br>Evolution by the process of adaptation<br><br>One of the most common misconceptions about evolution is that it is driven by a type of struggle to survive. This notion is not true and ignores other forces driving evolution. The fight for survival can be better described as a fight to survive in a specific environment. This may include not just other organisms as well as the physical surroundings themselves.<br><br>To understand how evolution operates it is important to understand what is adaptation. Adaptation is any feature that allows a living thing to live in its environment and reproduce. It could be a physical structure, like feathers or fur. It could also be a behavior trait, like moving to the shade during the heat, or coming out to avoid the cold at night.<br><br>The capacity of an organism to draw energy from its environment and interact with other organisms and their physical environments is essential to its survival. The organism needs to have the right genes to produce offspring, and it should be able to locate enough food and other resources. The organism must also be able reproduce itself at an amount that is appropriate for its niche.<br><br>These factors, in conjunction with gene flow and mutations, can lead to a shift in the proportion of different alleles in a population’s gene pool. This change in allele frequency can result in the emergence of new traits, and eventually, new species over time.<br><br>Many of the characteristics we find appealing in animals and plants are adaptations. For example the lungs or gills which draw oxygen from air, fur and feathers as insulation long legs to run away from predators and camouflage to conceal. To understand the concept of adaptation it is essential to distinguish between behavioral and physiological traits.<br><br>Physiological traits like large gills and thick fur are physical characteristics. The behavioral adaptations aren't like the tendency of animals to seek companionship or move into the shade during hot temperatures. It is also important to note that insufficient planning does not make an adaptation. Inability to think about the consequences of a decision even if it appears to be rational, may cause it to be unadaptive.