Polyethism (original) (raw)
Le polyéthisme est une division du travail chez les animaux sociaux. On en distingue au moins deux types : * le polyéthisme de castes (appelé aussi polyphénisme) ; * le polyéthisme d’âge. Présent chez les insectes sociaux comme les fourmis, les abeilles et les termites, il détermine l’activité de l’individu selon son âge ou sa morphologie ; par exemple, au cours de sa vie, l’abeille aura différentes tâches à accomplir.
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| dbo:abstract | Le polyéthisme est une division du travail chez les animaux sociaux. On en distingue au moins deux types : * le polyéthisme de castes (appelé aussi polyphénisme) ; * le polyéthisme d’âge. Présent chez les insectes sociaux comme les fourmis, les abeilles et les termites, il détermine l’activité de l’individu selon son âge ou sa morphologie ; par exemple, au cours de sa vie, l’abeille aura différentes tâches à accomplir. (fr) Polyethism is the term used for functional specialization of non-reproductive individuals in a colony of social organisms, particularly insects. Division of labour is considered a key aspect of eusociality and can be seen in a variety of forms. In some insects, there are distinct morphological differences among the individuals that decide their function in the colony, and this is termed as caste or morphological polyethism and is associated with polymorphism. Functions of individuals within the colony that are identical in morphology may however vary in the tasks taken up with the age of the individuals. In some species riskier activities are taken up by older individuals. This is termed as age polyethism. Time- and season-related specialization may also be termed more generically as temporal polyethism. The mechanisms involved in the control of polyethism has been an area of intense research in the field of sociobiology. (en) |
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| rdfs:comment | Le polyéthisme est une division du travail chez les animaux sociaux. On en distingue au moins deux types : * le polyéthisme de castes (appelé aussi polyphénisme) ; * le polyéthisme d’âge. Présent chez les insectes sociaux comme les fourmis, les abeilles et les termites, il détermine l’activité de l’individu selon son âge ou sa morphologie ; par exemple, au cours de sa vie, l’abeille aura différentes tâches à accomplir. (fr) Polyethism is the term used for functional specialization of non-reproductive individuals in a colony of social organisms, particularly insects. Division of labour is considered a key aspect of eusociality and can be seen in a variety of forms. In some insects, there are distinct morphological differences among the individuals that decide their function in the colony, and this is termed as caste or morphological polyethism and is associated with polymorphism. Functions of individuals within the colony that are identical in morphology may however vary in the tasks taken up with the age of the individuals. In some species riskier activities are taken up by older individuals. This is termed as age polyethism. Time- and season-related specialization may also be termed more generically as tempo (en) |
| rdfs:label | Polyéthisme (fr) Polyethism (en) |
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