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Topic: Microevolution

Related Topics

Macroevolution

Gene flow

Catagenesis (biology)

Genetic drift

Population genetics

Ecological selection

Natural selection

Sexual selection

Species

The Blind Watchmaker

Ecological niche

Alfred Russel Wallace

Kent Hovind

Natural experiment

Abiotic stress

	CB902: Microevolution vs. Macroevolution
		Microevolution and macroevolution are different things, but they involve mostly the same processes.
		Microevolution is defined as the change of allele frequencies (that is, genetic variation due to processes such as selection, mutation, genetic drift, or even migration) within a population.
		Speciation is distinct from microevolution in that speciation usually requires an isolating factor to keep the new species distinct.
	www.talkorigins.org /indexcc/CB/CB902.html (406 words)

	Microevolution - Wikipedia, the free encyclopedia
		Microevolution is the occurrence of small-scale changes in gene frequencies in a population, over a few generations, also known as change at or below the species level.
		Microevolution can be contrasted with macroevolution; which is the occurrence of large-scale changes in gene frequencies, in a population, over a geological time period (i.e.
		Because microevolution can be observed directly, creationists agree that it occurs, though they tend to make a distinction between microevolution, macroevolution, and speciation.
	en.wikipedia.org /wiki/Microevolution (226 words)

	Macroevolution - Wikipedia, the free encyclopedia
		In the Modern Synthesis school of thought, microevolution is the "normal" mode of evolution.
		In bringing macroevolution and microevolution to the English language, wrote "we are compelled at the present level of knowledge reluctantly to put a sign of equality between the mechanisms of macro- and microevolution" (Dobzhansky, 12).
		Some have argued that he was reluctant to equate macro- and microevolution because it went against the beliefs of his mentor, Filipchenko, who was an orthogenetist, and of the opinion that micro- and macroevolution were of a different mechanism and calibre.
	en.wikipedia.org /wiki/Macroevolution (1347 words)

	Talk:Microevolution - Wikipedia, the free encyclopedia
		The article says microevolution only believes in "destructive genetic mutations, which happen to confer an advantage to individuals in a specific environment".
		If someone believes that "macroevolution" and "microevolution" occur by the same mechanisms, then they don't bother to use those two terms...it's all just evolution to them.
		Thus, in an article about macroevolution and microevolution, we should use the definition that the macroevolutionists use, and explain the existence of the controversy over the subject.
	en.wikipedia.org /wiki/Talk:Microevolution (2696 words)

	Microevolution - EvoWiki (Site not responding. Last check: 2007-10-08)
		Microevolution is a part of evolution that creationists are usually willing to accept.
		Microevolution usually means evolution at or below the species level, but can also mean evolution on the level of kinds, an arbitrary level for which creationists are yet to agree upon a definition.
		Microevolution usually includes the mechanisms of the Theory of Evolution (variation and selection) but may or may not include speciation.
	wiki.cotch.net /index.php/Microevolution (111 words)

	Microevolution
		Home : What is evolution and how does it work?
		Microevolution is going on around us all the time.
		Microevolution and macroevolution encompass change at very different scales, but both work through the same basic processes.
	evolution.berkeley.edu /evolibrary/search/topicbrowse2.php?topic_id=54 (167 words)

	Microevolution - CreationWiki (Site not responding. Last check: 2007-10-08)
		Microevolution describes the variations that develop within a population, and includes speciation.
		Microevolution typically refers to the small scale change in organisms within the same species, which can lead to a subspecies or variations of the same created kind.
		Microevolution is distinguished from macroevolution, which is a larger scale change that results in the formation of higher taxanomic groups.
	www.nwcreation.net /wiki/index.php?title=Microevolution (172 words)

	Microevolution and Macroevolution
		Microevolution is the process that is responsible for the many variations of some species of living things, such as dogs and finches.
		Microevolution is their explanation for how all the human races came from Noah's family.
		Since microevolution is the process of losing genes, it cannot produce any new features.
	www.ridgenet.net /~do_while/sage/v1i4f.htm (1422 words)

	Macroevolution vs. Microevolution - Unexplained Mysteries Discussion Forums
		Microevolution is a species changing slightly to accomodate changes in enviornment, life style, etc. Macroevolution is many thousands of microevolutionary steps over (usually) a long period of time, by a part of a species to become another species.
		Microevolution says species could expirience all the variations within it's genetic code while macroevolution says that animals could evolve into something totally outside it's genetic code.
		Microevolution deals with only slight adjustments to a creature's living habits in order to survive a certain climate or perhaps a predator.
	www.unexplained-mysteries.com /forum/index.php?showtopic=21252 (1220 words)

	Nature Nugget- Microevolution, Macroevolution, and Natural Selection - February 2003
		Microevolution fits perfectly in the creation model, but Macroevolution is a gross misconception.
		Some Christians today have accepted this theory in an amalgamated form where they believe that God created the building blocks for life and then left them alone to evolve over millions of years to what it is now.
		Microevolution means a small change within a species or group.
	www.steps2life.org /php/view_article.php?article_id=889 (545 words)

	TrueAuthority.com - Creation vs Evolution - Micro vs. Macro Evolution
		Proponents of evolution often attempt to discredit creation by pointing to occurrences of microevolution, such as speciation, adaptation, etc. To the evolutionist, microevolution is vindication for their belief in the much larger macroevolution.
		And therefore, in their way of thinking, if microevolution is a well established fact, macroevolution must logically be an established fact as well.
		If the definition of microevolution is limited to what has been observed, then it is a powerful testimony that life has not evolved.
	www.trueauthority.com /cvse/micromacro.htm (1444 words)

	StudyWorks! Online : Microevolution and Macroevolution (Site not responding. Last check: 2007-10-08)
		In microevolution you observe a change in the gene frequencies within a species, or population (like you observed with the dots).
		This evolution by natural selection can be rapid, and may be observed within a few generations (as was the case with the light and dark colored moths in England).
		It works much the same was as microevolution, that is natural selection is still the mechanism driving the evolution of new species, but certain other factors may be necessary.
	www.studyworksonline.com /cda/content/article/0,,EXP898_NAV2-75_SAR896,00.shtml (338 words)

	The Straight Dope Mailbag: The Straight Dope Mailbag: Do creationists accept microevolution but not macroevolution?
		Microevolution and macroevolution differ only as a matter of scale, as we have seen from the connectedness of all life, and from the sliding scale of events--from the simplest, smallest evolutionary changes up through the enormous effects wrought as the aftermath of global mass extinctions [p.
		I have no idea where you got this claim, but the terms macro- and microevolution were coined in 1927, casting doubt on the idea that this division is newly drawn.
		In summary, it's nice of creationists to admit that microevolution occurs, but the truth is that there is no magical dividing line between micro- and macroevolution.
	www.straightdope.com /mailbag/mmicromacroev.html (1094 words)

	The Word "Macroevolution"
		I just got a reply from a person that threw me. He said microevolution is a word made up by creationists and it is to be ignored.
		But it isn't very useful to call that process "evolution" because the process that causes a newspaper to get yellow has nothing to do with the creation of new species, which is what most people think of when you use the word "evolution.".
		People who use the term "microevolution" use it to describe a process that has been observed many times in nature--specifically, a small, limited change in species over an observable period of time.
	www.scienceagainstevolution.org /v4i7e1.htm (1287 words)

	What are the evidence for microevolution?
		Microevolution does not always occur in the presence of what we like to think of as "traditional" forms of mutation, such as radiation or chemical exposure.
		In the case of antibiotic resistance, the genetic variability is inherent in the species and is not the result of a DNA "insult" or "error" that would constitute a mutation.
		The famous Beak of the Finch is one good example, although there are those who say it "doesn't count" because environmental conditions changed and the microevolution that had occurred was reversed by a second round of microevolution.
	debatingchristianity.com /forum/viewtopic.php?t=403 (1299 words)

	Changes to the Gene Pool: Microevolution
		Microevolution is changes in the gene pool of a population over time that result in changes to the varieties of individuals in a population.
		Examples of microevolution include bacteria that have become unaffected by antibiotics, or a change in a species' coloring or size.
		If the changes are over a very long time and are large enough that the population is no longer able to breed with other populations, it is considered a different species.
	www.windows.ucar.edu /tour/link=/earth/Life/genetics_microevolution.html (439 words)

	Evidence for Evolution: Microevolution
		Microevolution: Individuals Don’t Evolve, Populations Do People change throughout their lifetime, growing taller and sometimes wider, curling and cutting their hair.
		Evolution on a small scale, called microevolution, happens as changes happen to the genetics of group of organisms of the same species over many generations.
		Microevolution is changes in the gene pool of a population over time that result in changes to the varieties of individuals in a population such as a change in a species' coloring or size.
	www.windows.ucar.edu /cool_stuff/tour_evolution_2.html.backup.2005_6_8 (913 words)

	Microevolution Info - Encyclopedia WikiWhat.com (Site not responding. Last check: 2007-10-08)
		Microevolution refers to small-scale changes in gene frequencies in a population over a few generations.
		Biologists distinguish between microevolution and macroevolution, which refers to large-scale changes in gene frequencies in a population over a long period of time (and may culminate in the evolution of new species).
		Because microevolution can be observed directly, both pro-evolution and some anti-evolution groups agree that it is a fact of life (see the Microevolution vs. Macroevolution section in the Creationism article for creationist arguments regarding microevolution and macroevolution).
	wikiwhat.com /encyclopedia/m/mi/microevolution.html (216 words)

	Articles / Dr. John's Q&A / What Is The Difference Between Macroevolution And Microevolution? - Institute for ...
		Examples of this would be fish descending from an invertebrate animal, or whales descending from a land mammal.
		Microevolution refers to varieties within a given type.
		While in each case, observed change was limited to microevolution, the inference is that these minor changes can be extrapolated over many generations to macroevolution.
	www.icr.org /index.php?module=articles&action=view&ID=1156 (491 words)

	Free Essay Darwinism Research Paper
		Microevolution is defined as evolution involving small changes.
		Microevolution does not require the evolution of new structures or organs, Therefore, microevolution does not involve the creation of new genes.
		For example, the success of evolution is based entirely upon the ability of scientists to use microevolution to justify macroevolution.
	www.echeat.com /essay.php?t=26093 (1190 words)

	A Critique of Wallace
		Microevolution: the shifting of gene frequencies in a local population
		His sentence, "There is an abundance of material, published by evolutionists and non-evolutionists alike, affirming that Isaak's claims regarding genetics and 'observed' evolution are based more in dogmatic 'interpretation' than in a scientific, objective approach to empirical data," is his summary of his section on observed evolution.
		I guess that is why he claims genetic variation as the mechanism for microevolution - "a population's adaptation through genetic variation is as much a fact of biological life as are genes themselves." Variation is not a process that acts on populations: it is a product of the population!
	www.mindspring.com /~duckster/evolution (2239 words)

	Dragid Connections - Jesus
		Microevolution refers to the redevelopment and adaptation of species.
		Given a species having gone through a lot of microevolution, it won't be able to reproduce with the original species.
		And your definition for microevolution, yeah, that's the toned down simple definition for evolution.
	forums.dragid.com /showthread.php?goto=lastpost&t=30963 (532 words)

	Standing for Christ :: View topic - Microevolution vs. Macroevolution (Site not responding. Last check: 2007-10-08)
		Even though microevolution has been demonstrated many of times, like within bacteria becoming immune to certain antibiotics and the breeding of dogs, macroevolution has never once been observed.
		The microevolution that occurred on the Galapagos Islands is more than likely the expression of the already available genetic material in finches that is more freely expressed due to the environment of the islands.
		Microevolution: a change in the gene pool of a population across generations.
	standing4christ.com /forum/viewtopic.php?t=53 (10015 words)

	Microevolution - Wikibooks, collection of open-content textbooks
		Changes within a gene pool occurring from generation to generation is called microevolution.
		The main factors change frequencies of alleles for a single genetic locus and therefore cause genetic variation on a small scale.
		In genetic drift there is a genetic variation among allele frequencies of that population due to random chance.
	en.wikibooks.org /wiki/Microevolution (649 words)

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