منابع مشابه
a new algorithm and software of individual life insurance and annuity computation
چکیده ندارد.
15 صفحه اولSocial life, evolution of intelligence, behaviour and human brain size
Social life is one of the most critical factors of the evolution of the behavior of non-human primates and humans. Several factors, such as an increase in brain size, adaptive modules, and grooming, are related to the complexities of social groups. Although some scientists have mentioned foraging as a rival hypothesis for the evolution of behavior, in this research, we tried to investigate the ...
متن کاملEmbryonic life and human life.
A new human life comes into being not when there is mere cellular life in a human embryo, but when the newly developing body organs and systems begin to function as a whole, the author argues. This is symmetrical with the dealth of an existing human life, which occurs when its organs and systems have permanently ceased to function as a whole. Thus a new human life cannot begin until the develop...
متن کاملTemperature, activity, and lizard life histories.
Lizard life-history characteristics vary widely among species and populations. Most authors seek adaptive or phylogenetic explanations for life-history patterns, which are usually presumed to reflect genetic differences. However, lizard life histories are often phenotypically plastic, varying in response to temperature, food availability, and other environmental factors. Despite the importance ...
متن کاملLife in High-Temperature Environments
DIVERSITY OF HIGH-TEMPERATURE ENVIRONMENTS High-temperature biotopes colonized by thermophilic and hyperthermophilic microorganisms are distributed on all continents and oceans and span a huge diversity of physicochemical niches, with pH values in high-temperature spring sources spanning >7 units (1–3) and aqueous concentrations of biologically relevant elements spanning several orders of magni...
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1950
ISSN: 0002-9572
DOI: 10.2105/ajph.40.2.214