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microevolution
[ mahy-kroh-ev-uh-loo-shuhnor, especially British, -ee-vuh- ]
noun
- evolutionary change involving the gradual accumulation of mutations leading to new varieties within a species.
- minor evolutionary change observed over a short period of time.
microevolution
/ ³¾Ä«â€²k°ùÅ-Ä•±¹â€²É™-±ô´ÇÌ…´Ç̅′²õ³óÉ™²Ô /
- Evolutionary change below the level of the species, resulting from relatively small genetic variations. Microevolution produces new strains of microorganisms, for example, or the rise of a new subspecies. The accumulation of many microevolutionary changes results in macroevolution.
Other ˜yÐÄvlog Forms
- ³¾¾±î€…c°ù´Ç·±ð±¹î€…o·±ô³Üt¾±´Ç²Ô·²¹°ùy adjective
˜yÐÄvlog History and Origins
Origin of microevolution1
Example Sentences
The change would have been the result of microevolution, or an evolutionary change occurring within a species.
As such the skull discovery presented a rare example of "microevolution" within human lineage, Mr Martin said.
Applying his “worldwide rate of dental microevolution†to the three migrations, Turner came up with roughly similar dates of emigration.
To get samples from other species, Dr. Carlton has enlisted the aid of a Fordham University biologist, Jason Munshi-South, who studies the travel patterns and microevolution of rodents in the city.
A latest example is his superb critique of the classic creationist claim that while microevolution has been observed, macroevolution, the origin of new species, has not.
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