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- Natural_selection abstract "Natural selection is the gradual process by which biological traits become either more or less common in a population as a function of the effect of inherited traits on the differential reproductive success of organisms interacting with their environment. It is a key mechanism of evolution. The term "natural selection" was popularized by Charles Darwin who intended it to be compared with artificial selection, now more commonly referred to as selective breeding.Variation exists within all populations of organisms. This occurs partly because random mutations occur in the genome of an individual organism, and these mutations can be passed to offspring. Throughout the individuals’ lives, their genomes interact with their environments to cause variations in traits. (The environment of a genome includes the molecular biology in the cell, other cells, other individuals, populations, species, as well as the abiotic environment.) Individuals with certain variants of the trait may survive and reproduce more than individuals with other variants. Therefore the population evolves. Factors that affect reproductive success are also important, an issue that Charles Darwin developed in his ideas on sexual selection, for example. Natural selection acts on the phenotype, or the observable characteristics of an organism, but the genetic (heritable) basis of any phenotype that gives a reproductive advantage may become more common in a population (see allele frequency). Over time, this process can result in populations that specialize for particular ecological niches and may eventually result in the emergence of new species. In other words, natural selection is an important process (though not the only process) by which evolution takes place within a population of organisms. Natural selection can be contrasted with artificial selection, in which humans intentionally choose specific traits (although they may not always get what they want). In natural selection there is no intentional choice. In other words, artificial selection is teleological and natural selection is not teleological.Natural selection is one of the cornerstones of modern biology. The term was introduced by Darwin in his influential 1859 book On the Origin of Species, in which natural selection was described as analogous to artificial selection, a process by which animals and plants with traits considered desirable by human breeders are systematically favored for reproduction. The concept of natural selection was originally developed in the absence of a valid theory of heredity; at the time of Darwin's writing, nothing was known of modern genetics. The union of traditional Darwinian evolution with subsequent discoveries in classical and molecular genetics is termed the modern evolutionary synthesis. Natural selection remains the primary explanation for adaptive evolution.".
- Natural_selection thumbnail Lichte_en_zwarte_versie_berkenspanner.jpg?width=300.
- Natural_selection wikiPageExternalLink topicbrowse2.php?topic_id=53.
- Natural_selection wikiPageExternalLink wyhe.html.
- Natural_selection wikiPageExternalLink karl-popper-on-the-scientific-status-of-darwins-theory-of-evolution.
- Natural_selection wikiPageExternalLink chapter-04.html.
- Natural_selection wikiPageExternalLink impact-of-evolutionary-selection-on-functional-regions.
- Natural_selection wikiPageExternalLink Cellular_Darwinism_stochastic_gene_expression_in_cell_differentiation_and_embryo_development.html.
- Natural_selection wikiPageExternalLink fulltext.html.
- Natural_selection wikiPageExternalLink index.html.
- Natural_selection wikiPageID "21147".
- Natural_selection wikiPageRevisionID "606592236".
- Natural_selection hasPhotoCollection Natural_selection.
- Natural_selection subject Category:Ecological_processes.
- Natural_selection subject Category:Evolutionary_biology.
- Natural_selection subject Category:Selection.
- Natural_selection comment "Natural selection is the gradual process by which biological traits become either more or less common in a population as a function of the effect of inherited traits on the differential reproductive success of organisms interacting with their environment. It is a key mechanism of evolution.".
- Natural_selection label "Dobór naturalny".
- Natural_selection label "Natural selection".
- Natural_selection label "Natuurlijke selectie".
- Natural_selection label "Selección natural".
- Natural_selection label "Selektion (Evolution)".
- Natural_selection label "Selezione naturale".
- Natural_selection label "Seleção natural".
- Natural_selection label "Sélection naturelle".
- Natural_selection label "Естественный отбор".
- Natural_selection label "اصطفاء طبيعي".
- Natural_selection label "自然选择".
- Natural_selection label "自然選択説".
- Natural_selection sameAs Přirozený_výběr.
- Natural_selection sameAs Selektion_(Evolution).
- Natural_selection sameAs Φυσική_επιλογή.
- Natural_selection sameAs Selección_natural.
- Natural_selection sameAs Hautespen_natural.
- Natural_selection sameAs Sélection_naturelle.
- Natural_selection sameAs Seleksi_alam.
- Natural_selection sameAs Selezione_naturale.
- Natural_selection sameAs 自然選択説.
- Natural_selection sameAs 자연선택.
- Natural_selection sameAs Natuurlijke_selectie.
- Natural_selection sameAs Dobór_naturalny.
- Natural_selection sameAs Seleção_natural.
- Natural_selection sameAs m.059hl.
- Natural_selection sameAs Q43478.
- Natural_selection sameAs Q43478.
- Natural_selection wasDerivedFrom Natural_selection?oldid=606592236.
- Natural_selection depiction Lichte_en_zwarte_versie_berkenspanner.jpg.
- Natural_selection isPrimaryTopicOf Natural_selection.
