The Coadaptation of Parental Supply and Offspring Demand

@article{Klliker2005TheCO,
  title={The Coadaptation of Parental Supply and Offspring Demand},
  author={Mathias K{\"o}lliker and Edmund D. Brodie III and Allen J. Moore},
  journal={The American Naturalist},
  year={2005},
  volume={166},
  pages={506 - 516}
}
The evolution of parent‐offspring interactions for the provisioning of care is usually explained as the phenotypic outcome of resolved conflicting selection pressures. However, parental care and offspring solicitation are expected to have complex patterns of inheritance. Here we present a quantitative genetic model of parent‐offspring interactions that allows us to investigate the evolutionary maintenance of a state of resolved conflict. We show that offspring solicitation and parental… 
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TLDR
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Conflict arises in families because of a fundamental relatedness asymmetry. When parents are equally related to all offspring they would prefer to divide resources equitably among young. However,
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The results suggest that an adjustment of the offspring’s phenotype to the post-hatching social environment is primarily beneficial for highly demanding offspring and that parents have the upper hand (but probably not full control) over provisioning.
Parent-Offspring Conflict and Coadaptation
TLDR
How prenatal effects on offspring begging can link the two different approaches to parent-offspring conflict is shown, which shows that when offspring control provisioning, prenatal effects primarily serve the parent’s interests: Selection on parents drives coadaptation of parent and offspring traits.
Coadaptation of Offspring Begging and Parental Provisioning - An Evolutionary Ecological Perspective on Avian Family Life
TLDR
A positive and significant phenotypic covariation between offspring begging and parental feeding is found when using the growth rate as a proxy and, to a lesser extent, in case of the parental feeding rate.
Using Experimental Evolution to Study Adaptations for Life within the Family
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The results show that populations can adapt rapidly to a change in the extent of parental care and that experimental evolution can be used to study such adaptation.
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