Eusociality and cooperation.

Détails

Ressource 1Télécharger: BIB_AD8EA032CFE8.P001.pdf (137.04 [Ko])
Etat: Serval
Version: de l'auteur
ID Serval
serval:BIB_AD8EA032CFE8
Type
Partie de livre
Collection
Publications
Titre
Eusociality and cooperation.
Titre du livre
Encyclopedia of Life Sciences
Auteur(s)
Keller L., Chapuisat M.
Editeur
John Wiley & Sons, Ltd
Lieu d'édition
Chichester
ISBN
978-0-470-06651-5
Statut éditorial
Publié
Date de publication
2001
Pages
1-9
Langue
anglais
Résumé
The evolution of eusociality, here defined as the emergence of societies with reproductive division of labour and cooperative brood care, was first seen as a challenge to Darwin's theory of evolution by natural selection. Why should individuals permanently forgo direct reproduction to help other individuals to reproduce? Kin selection, the indirect transmission of genes through relatives, is the key process explaining the evolution of permanently nonreproductive helpers. However, in some taxa helpers delay reproduction until a breeding opportunity becomes available. Overall, eusociality evolved when ecological conditions promote stable associations of related individuals that benefit from jointly exploiting and defending common resources. High levels of cooperation and robust mechanisms of division of labour are found in many animal societies. However, conflicts among individuals are still frequent when group members that are not genetically identical compete over reproduction or resource allocation.
Mots-clé
eusociality, social insects, cooperative breeding, cooperation, altruism
Open Access
Oui
Création de la notice
24/01/2008 20:22
Dernière modification de la notice
08/05/2019 23:40
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