单词 | vestigial structure |
释义 | BETA Examples ofvestigial structureDictionary> Examples ofvestigial structure vestigial structureisn’t in the Cambridge Dictionary yet. You can help! Add a definition Widely regarded as a nonfunctional, evolutionaryvestigialstructure, it has received little attention compared with motile cilia in organs such as the lung and brain. From theCambridge English Corpus Although structures called "vestigial" often appear functionless, avestigialstructuremay retain lesser functions or develop minor new ones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In many circumstances, the apparentlyvestigialstructuremay retain a limited functionality, or may be co-opted for other advantageous traits in a phenomenon known as preadaptation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The vestigial versions of the structure can be compared to the original version of the structure in other species in order to determine the homology of avestigialstructure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, vestigial structures may have their original function replaced with another. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In many insects they simply may be functionless vestigial structures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Therefore, vestigial structures can be considered evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vestigial structures and comparisons in embryonic development are largely a contributing factor in anatomical resemblance in concordance with common descent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During evolution, some structures may lose their original function and become vestigial structures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such vestigial structures typically are degenerate, atrophied, or rudimentary, and tend to be much more variable than homologous non-vestigial parts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Vestigial structures are often called "vestigial organs", although many of them are not actually organs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They were once thought of as vestigial structures that served no real purpose. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These undeveloped muscles are vestigial structures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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