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Line 1: − + − Microevolution, narrowly defined, is the theory that [[natural selection]] can, over time, increase the overall reproductive fitness of a species. <ref>Evolutionists express their theory of "microevolutionary theory that natural selection should optimize the existing genetic variation in a population to maximize reproductive success." http://www.talkorigins.org/faqs/faq-intro-to-biology.html</ref> Line 10:
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Microevolution, broadly defined, is the inevitable small-scale changes in [[allele]] frequencies in a population within the same species. Under this broad definition, this change in overall allele frequencies occurs with every birth or death of a member of the species. In other words, some generations of people might be taller than the last or shorter than the last based on the number of individuals who happen to have the "tall" gene.
'''Microevolution''', broadly defined, is the inevitable small-scale changes in [[allele]] frequencies in a population within the same species. Under this broad definition, this change in overall allele frequencies occurs with every birth or death of a member of the species. In other words, some generations of people might be taller than the last or shorter than the last based on the number of individuals who happen to have the "tall" gene.
== Microevolution in Bacteria ==
== Microevolution in Bacteria ==
Because antibiotics have been used so widely in medicine, there is increasing concern about developing strains of bacteria that can acquire multiple resistances to most of the antibiotics we use. High compliance with infection control measures and a prudent and more restrictive use of antibiotics are the key measures to prevent epidemics based on bacteria with multiresistance.
Because antibiotics have been used so widely in medicine, there is increasing concern about developing strains of bacteria that can acquire multiple resistances to most of the antibiotics we use. High compliance with infection control measures and a prudent and more restrictive use of antibiotics are the key measures to prevent epidemics based on bacteria with multiresistance.
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== Microevolution in Creation Science ==
While there are different forms of [[creation science]], generally [[Creationists]] agree with the concept of microevolution, but call it [[adaptation]]. From the creationist point of view there is a large difference between microevolution and [[macroevolution]]. The one occurs; the other does not.
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