... predation danger. Birds also demonstrate an ability to maintain body mass across a range of food qualities. Although the adaptive significance of mass regulation has received a great deal of theoretical and empirical attention, the mechanisms by which birds achieve this have not. Several non-exclusive...

... acquisition and assimilation, a pattern potentially driven by the exaggeration of male sexual traits to which resources are preferentially allocated. Ecological stoichiometry Sexual selection Radiotracer Acquisition Assimilation Food quality Sexual dimorphism accounts for a large portion...

...Marcus Lukas; Alexander Wacker We studied the carbon (C) metabolism in Daphnia when the amount of C (food quantity) and/or the content of biochemical nutrients (food quality) was limiting. Growth performances and C budgets of Daphnia magna (assimilation, faeces egestion, excretion and respiration...

... and may be a widespread adaptation facilitating rapid food collection in flying Hymenoptera. * Author for correspondence (e-mail: [email protected]) 6 9 2006 © The Company of Biologists Limited 2006 2006 thermoregulation foraging food quality endothermy Bombus...

... la alimentación y digestión en vertebrados:modelos y teorías. Rev. Ch. Hist. Nat. 66 , 375 -382. Bozinovic, F. (1993b). Nutritional ecophysiology of the Andean mouse Abrothrix andinus : energy requirements, food quality and turnover time. Comp. Biochem. Physiol. 104A , 601 -604...