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González-Forero, Mauricio and Peña, Jorge
(2020)
Eusociality through conflict dissolution via maternal reproductive specialization.
IAST Working Paper, n. 20-110, Toulouse
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Abstract
Major evolutionary transitions have produced higher-level individuals constituting new levels of adaptation with extensive effects on the history of life. How such transitions occur remains an outstanding question. We show that a major transition can happen from ancestral exploitation triggering specialization that eventually dissolves conflict. Specifically, maternal manipulation of off-spring help enables the mother to increase her fertility effort, thereby shifting a parent-offspring conflict over helping to parent-offspring agreement. This process of conflict dissolution requires that helpers alleviate maternal life history trade-offs, and results in reproductive division of labor, high queen fertility, and honest queen signaling suppressing worker reproduction, thus exceptionally recovering diverse features of eusociality. Our results explain how a major evolutionary transition can happen from ancestral conflict.
| Item Type: | Monograph (Working Paper) |
|---|---|
| Language: | English |
| Date: | September 2020 |
| Place of Publication: | Toulouse |
| Subjects: | B- ECONOMIE ET FINANCE |
| Divisions: | TSE-R (Toulouse) |
| Institution: | Université Toulouse 1 Capitole |
| Site: | UT1 |
| Date Deposited: | 01 Oct 2020 08:26 |
| Last Modified: | 08 Jun 2023 11:51 |
| OAI Identifier: | oai:tse-fr.eu:124742 |
| URI: | https://publications.ut-capitole.fr/id/eprint/41825 |
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