Cannibalism as a life boat mechanism
نویسندگان
چکیده
منابع مشابه
Pathogen transmission as a selective force against cannibalism.
Cannibalism is uncommon in most species despite being taxonomically widespread. This rarity is surprising, because cannibalism can confer important nutritional and competitive advantages to the cannibal. A general, but untested, explanation for why cannibalism is rare is that cannibals may be especially likely to acquire pathogens from conspecifics, owing to greater genetic similarity among con...
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after the second world war one of the most effective ways which could make an important impact on the life of minorities and deprived communities has been positive discrimination. of course, it has been always controversial in terms of its legitimacy as well as its real impact on changes. using positive discrimination to promote women's condition in many countries and fields such as enteri...
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A simple nonlinear discrete model is derived for the dynamics of a two-age class population consisting of juveniles and adults that includes cannibalism of juveniles by adults. The model is investigated analytically and numerically. It is shown how even this very simple model, by incorporating the negative and positive feedbacks due to cannibalism, can account for several important phenomena co...
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Hemoglobin is a porphyrin containing protein with an a2b2 tetrameric structure and like other porphyrin compounds shows spectral behavior of species specific characteristics. Researchers tend to relate bands in the hemoglobin spectra to certain structural and/or functional features. Given the fact that hemoglobin is the main oxygen carrier in animals functioning through the Oxy«Deoxy equilibriu...
متن کاملCannibalism, kuru and anthropology.
This essay discusses the image and practice of cannibalism in a wide range of studies. It also presents the anthropological research on kuru which led to the proposal that cannibalism had enabled transmission of the infectious agent, as well as doubts about the hypothesis, and the assertion by some that cannibalism as a socially approved custom did not exist. The figure of the cannibal as an ic...
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ژورنال
عنوان ژورنال: Journal of Mathematical Biology
سال: 1988
ISSN: 0303-6812,1432-1416
DOI: 10.1007/bf00276144