what is organic evolution explian
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Evolution is change in the heritablecharacteristics of biological populations over successive generations.[1][2] These characteristics are the expressions of genesthat are passed on from parent to offspring during reproduction. Different characteristics tend to exist within any given population as a result of mutation, genetic recombination and other sources of genetic variation.[3] Evolution occurs when evolutionary processes such asnatural selection (including sexual selection) and genetic drift act on this variation, resulting in certain characteristics becoming more common or rare within a population.[4] It is this process of evolution that has given rise to biodiversity at every level of biological organisation, including the levels of species, individual organisms and molecules.[5]
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Organic evolution The process by which changes in the genetic composition of populations of organisms occur in response to environmental changes
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