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What is Free Evolution?<br><br>Free evolution is the idea that the natural processes that organisms go through can lead to their development over time. This includes the emergence and development of new species.<br><br>Many examples have been given of this, including various varieties of fish called sticklebacks that can live in either fresh or salt water and walking stick insect varieties that prefer specific host plants. These mostly reversible trait permutations, however, cannot be the reason for fundamental changes in body plans.<br><br>Evolution by Natural Selection<br><br>The evolution of the myriad living organisms on Earth is a mystery that has fascinated scientists for decades. Charles Darwin's natural selection theory is the most well-known explanation. This is because individuals who are better-adapted have more success in reproduction and survival than those who are less well-adapted. As time passes, the number of well-adapted individuals grows and  [https://www.metooo.io/u/676a8a49acd17a11773159f2 에볼루션]바카라사이트 ([http://xn--0lq70ey8yz1b.com/home.php?mod=space&uid=1026210 0lq70ey8yz1b.com]) eventually creates a new species.<br><br>Natural selection is a process that is cyclical and involves the interaction of three factors: variation, reproduction and inheritance. Variation is caused by mutation and sexual reproduction both of which enhance the genetic diversity within the species. Inheritance refers the transmission of a person’s genetic traits, which include both dominant and recessive genes, to their offspring. Reproduction is the process of creating viable, fertile offspring. This can be accomplished by both asexual or sexual methods.<br><br>All of these factors have to be in equilibrium to allow natural selection to take place. For instance the case where an allele that is dominant at the gene causes an organism to survive and reproduce more often than the recessive one, the dominant allele will become more common in the population. But if the allele confers an unfavorable survival advantage or reduces fertility, it will disappear from the population. This process is self-reinforcing meaning that a species with a beneficial trait will survive and reproduce more than one with an unadaptive characteristic. The more offspring an organism produces the better its fitness, which is measured by its capacity to reproduce itself and live. People with desirable traits, such as a longer neck in giraffes and bright white color patterns in male peacocks, are more likely to be able to survive and create offspring, and thus will make up the majority of the population in the future.<br><br>Natural selection is an element in the population and not on individuals. This is a crucial distinction from the Lamarckian evolution theory that states that animals acquire traits either through use or lack of use. If a giraffe expands its neck to catch prey and the neck grows longer,  [https://menwiki.men/wiki/14_Smart_Strategies_To_Spend_On_Leftover_Free_Evolution_Budget 에볼루션 무료 바카라] then the offspring will inherit this trait. The length difference between generations will persist until the giraffe's neck gets too long to no longer breed with other giraffes.<br><br>Evolution through Genetic Drift<br><br>In the process of genetic drift, alleles within a gene can reach different frequencies in a group by chance events. Eventually, only one will be fixed (become common enough that it can no longer be eliminated by natural selection) and the rest of the alleles will decrease in frequency. In the extreme it can lead to one allele dominance. The other alleles are eliminated, and heterozygosity falls to zero. In a small number of people it could result in the complete elimination the recessive gene. This is known as the bottleneck effect and is typical of the evolution process that occurs when the number of individuals migrate to form a population.<br><br>A phenotypic bottleneck could happen when the survivors of a disaster, such as an epidemic or a mass hunting event, are concentrated into a small area. The survivors will carry an dominant allele, and will have the same phenotype. This can be caused by war, earthquakes or even a plague. The genetically distinct population, if it remains, could be susceptible to genetic drift.<br><br>Walsh Lewens, Lewens, and Ariew use Lewens,  무료[https://bech-dreier.mdwrite.net/seven-explanations-on-why-evolution-slot-is-important/ 에볼루션 바카라 무료체험] ([https://valetinowiki.racing/wiki/Where_Are_You_Going_To_Find_Evolution_Casino_1_Year_From_Today pop over here]) Walsh, and Ariew use a "purely outcome-oriented" definition of drift as any deviation from the expected values of variations in fitness. They provide a well-known instance of twins who are genetically identical, share identical phenotypes, but one is struck by lightning and dies, whereas the other lives and reproduces.<br><br>This kind of drift could be very important in the evolution of an entire species. But, it's not the only method to progress. The main alternative is a process called natural selection, where the phenotypic variation of a population is maintained by mutation and migration.<br><br>Stephens argues there is a vast difference between treating drift like an agent or cause and considering other causes, such as migration and selection as forces and causes. He claims that a causal-process account of drift allows us distinguish it from other forces and that this distinction is essential. He further argues that drift is a directional force: that is, it tends to eliminate heterozygosity. He also claims that it also has a magnitude, which is determined by the size of population.<br><br>Evolution by Lamarckism<br><br>In high school, students study biology, they are often introduced to the work of Jean-Baptiste Lamarck (1744 - 1829). His theory of evolution is generally called "Lamarckism" and it states that simple organisms grow into more complex organisms through the inheritance of characteristics that result from the natural activities of an organism use and misuse. Lamarckism is illustrated through the giraffe's neck being extended to reach higher levels of leaves in the trees. This would cause giraffes' longer necks to be passed on to their offspring who would grow taller.<br><br>Lamarck was a French Zoologist. In his opening lecture for his course on invertebrate zoology held at the Museum of Natural History in Paris on 17 May 1802, he introduced a groundbreaking concept that radically challenged the previous understanding of organic transformation. In his view, living things had evolved from inanimate matter through an escalating series of steps. Lamarck wasn't the first to make this claim however he was widely regarded as the first to provide the subject a comprehensive and general explanation.<br><br>The most popular story is that Charles Darwin's theory of evolution by natural selection and Lamarckism fought during the 19th century. Darwinism ultimately prevailed and led to what biologists refer to as the Modern Synthesis. The Modern Synthesis theory denies the possibility that acquired traits can be acquired through inheritance and instead argues that organisms evolve through the action of environmental factors, like natural selection.<br><br>Lamarck and his contemporaries supported the notion that acquired characters could be passed down to future generations. However, this notion was never a major part of any of their evolutionary theories. This is partly because it was never scientifically tested.<br><br>It's been more than 200 years since Lamarck was born and in the age of genomics there is a huge amount of evidence that supports the heritability of acquired traits. This is often referred to as "neo-Lamarckism" or, more commonly, epigenetic inheritance. It is a version of evolution that is just as valid as the more well-known Neo-Darwinian theory.<br><br>Evolution through adaptation<br><br>One of the most common misconceptions about evolution is that it is driven by a sort of struggle for survival. In fact, this view is a misrepresentation of natural selection and ignores the other forces that determine the rate of evolution. The fight for survival can be more precisely described as a fight to survive in a specific environment, which can involve not only other organisms but also the physical environment itself.<br><br>Understanding how adaptation works is essential to comprehend evolution. Adaptation is any feature that allows a living organism to live in its environment and reproduce. It can be a physiological structure, such as feathers or fur or a behavior such as a tendency to move to the shade during hot weather or coming out at night to avoid the cold.<br><br>The capacity of a living thing to extract energy from its surroundings and interact with other organisms and their physical environments is essential to its survival. The organism needs to have the right genes to create offspring, and  [https://dominguez-henderson.technetbloggers.de/the-evolution-baccarat-success-story-youll-never-be-able-to/ 에볼루션코리아] it must be able to access enough food and other resources. The organism must also be able to reproduce at a rate that is optimal for its particular niche.<br><br>These factors, together with mutation and gene flow can result in a change in the proportion of alleles (different varieties of a particular gene) in the population's gene pool. This change in allele frequency can lead to the emergence of new traits, and eventually new species in the course of time.<br><br>Many of the features we find appealing in animals and plants are adaptations. For example lung or gills that extract oxygen from the air feathers and fur for insulation long legs to run away from predators and camouflage for hiding. To understand adaptation, it is important to discern between physiological and behavioral characteristics.<br><br>Physiological adaptations, like thick fur or gills, are physical traits, whereas behavioral adaptations, such as the tendency to search for friends or to move to the shade during hot weather, are not. It is also important to remember that a the absence of planning doesn't make an adaptation. In fact, failing to consider the consequences of a decision can render it unadaptive, despite the fact that it appears to be logical or even necessary.