What does vestigiality mean?
Definitions for vestigiality
ves·ti·gial·i·ty
This dictionary definitions page includes all the possible meanings, example usage and translations of the word vestigiality.
Wikipedia
Vestigiality
Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species. The emergence of vestigiality occurs by normal evolutionary processes, typically by loss of function of a feature that is no longer subject to positive selection pressures when it loses its value in a changing environment. The feature may be selected against more urgently when its function becomes definitively harmful, but if the lack of the feature provides no advantage, and its presence provides no disadvantage, the feature may not be phased out by natural selection and persist across species. Examples of vestigial structures (also called degenerate, atrophied, or rudimentary organs) are the loss of functional wings in island-dwelling birds; the human vomeronasal organ; and the hindlimbs of the snake and whale.
Wikidata
Vestigiality
The concept of vestigiality applies to genetically determined structures or attributes that have apparently lost most or all of its ancestral function in a given species. Assessment of the vestigial status must generally rely on comparison with homologous features in related species. The emergence of vestigiality occurs by normal evolutionary processes, typically by loss of function of a feature that is no longer subject to positive selection pressures when it loses its value in a changing environment. More urgently the feature may be selected against when its function becomes definitely harmful. Typical examples of both types occur in the loss of flying capability in island-dwelling species.
Numerology
Chaldean Numerology
The numerical value of vestigiality in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of vestigiality in Pythagorean Numerology is: 5
Translations for vestigiality
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"vestigiality." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/vestigiality>.
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