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the issue of grooming has been investigated in relation with earnings for which there exist and it is presented empirical …
Persistent link: https://www.econbiz.de/10010957797
the issue of grooming has been investigated in relation with earnings for which there exist and it is presented empirical …
Persistent link: https://www.econbiz.de/10011260932
Elaborate secondary sexual traits, such as the ornamental plumage of birds, may be favored by female choice because they serve as honest indicators of male quality. Elaborate traits are thought to be honest signals because they are expensive to produce and increase predation risk. Here we...
Persistent link: https://www.econbiz.de/10008581727
Grooming among female Japanese macaques (Macaca fuscata) was studied to test some predictions derived from the … application of biological market theory. Contrary to expectations, Japanese macaques did not time match the duration of grooming … reciprocated and nonreciprocated grooming in different ways. However, they did reciprocate total amount of grooming received. These …
Persistent link: https://www.econbiz.de/10008581772
Ectoparasites such as ticks have a negative effect on host fitness, whereas parasite-defense grooming is effective in … removing ticks. The central control (programmed grooming) model proposes that animals engage in preventive tick …-defense grooming in response to an internal timing mechanism, even in the absence of peripheral stimulation from parasites. This model …
Persistent link: https://www.econbiz.de/10008581922
To identify molecular mechanisms by which early life social conditions might influence adult risk of disease in rhesus macaques (Macaca mulatta), we analyze changes in basal leukocyte gene expression profiles in 4-month-old animals reared under adverse social conditions. Compared to the basal...
Persistent link: https://www.econbiz.de/10010990923
alerting conspecifics to a food source, etc. In some primates, call systems are structurally more complex because calls are …
Persistent link: https://www.econbiz.de/10010883673
This paper provides an introduction to the field of evolutionary economics with emphasis on the evolutionary theory of household behavior. It shows that the goal of evolutionary economics is to improve upon neoclassical economics by incorporating more realistic and empirically grounded...
Persistent link: https://www.econbiz.de/10011261245
Persistent link: https://www.econbiz.de/10009403248
Persistent link: https://www.econbiz.de/10010843303