The term 'life-history theory'(LHT) is increasingly often invoked in psychology, as a
framework for integrating understanding of psychological traits into a broader evolutionary …

The monitoring of endocrine markers that inform about an animal's physiological state has
become an invaluable tool for studying the behavioral ecology of primates. While the …

The term 'life-history theory'is a familiar label in several disciplines. Life-history theory has its
roots in evolutionary models of the fitness consequences of allocating energy to …

Across mammals, prenatal maternal stress (PREMS) affects many aspects of offspring
development, including offspring growth. However, how PREMS translates to offspring …

Chimpanzees are important referential models for the study of life history in hominin
evolution. Age at sexual maturity and first reproduction are key life history milestones that …

Economic models predominate in life history research, which investigates the allocation of
an organism's resources to growth, reproduction, and maintenance. These approaches …

Previous chapters have outlined the classic concept of plasticity, its mechanistic basis, and
its adaptive importance. Plasticity is the ability of an individual organism or genotype to …

Energy is a variable of key importance to a wide range of research in primate behavioral
ecology, life history, and conservation. However, obtaining detailed data on variation in …

In animals with slow ontogeny and long-term maternal investment, immatures are likely to
experience the birth of a younger sibling before reaching maturity. In these species, the birth …

Savanna-mosaic habitats are thought to represent exceptional circumstances for
chimpanzees (Pan troglodytes), and owing to the virtues of their habitat as well as peripheral …