Diatoms are curious in many respects, such as their huge species diversity, their complex silica cell walls, and the method of locomotion in the most species-rich group, which involves channeled secretion along special slits in the cell wall (the raphe s
(Port Huron), Division of Ambulatory Pediatrics (Detroit); New Jersey: Pediatric Associates, PA (Neptune), University Pediatrics (East Brunswick), Delaware Valley Pediatric Association, PA (Lawrenceville), Kids Care Pediatrics (Egg Harbor Township); New York-1: Kuritzkes, Koota, Grijnsztein, Res...
Low fertility in Australia has been attributed to social factors which encourage women to devote more time to market work and reduce the number of children they have. This paper explores whether women might have fewer children because they experience a gendered division of unpaid household and child...
The evolution of sexual dimorphism in animals: Hypotheses and tests Three major hypotheses, based upon mechanisms of sexual selection, intersexual food competition and reproductive role division, have been advanced to expla... AV Hedrick,EJ Temeles - 《Trends in Ecology & Evolution》 被引量: 1618...
If current trends don't bend, Russia's population will be about thesizeof Yyemen's by the year 2050. 2017年高考英语江苏卷 任务型阅读 原文 In colonies that range insizefrom a few hundred to tens of millions, they organize their lives with a clear division of labor. ...
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The health variables included in the analysis were the presence of minor psychiatric disorders, as assessed by the Self Report Questionnaire-20 (cutoff point for men ⩾ 6 and for women ⩾ 8)23 and body mass index (BMI), calculated by the division of weight (kg) by the square of ...
We distinguish between three types of divided government: overall divided government, proposal division and approval division. The main result suggests that Republican governors have been more active in deregulating labor markets. We find that ideology-induced policies were counteracted under overall ...
division Behaviour Response to chemical stimulus Regulation of biological quality Biosynthetic process Death Response to stress Chromosome segregation Catabolic process Cell proliferation Response to external stimulus Response to endogenous stimulus Reproductive process Cell recognition Ageing Regulation of molecular ...
The reproductive characteristics of Kyphosus bigibbus were examined using individuals collected between June 2004 and February 2009 off Nagasaki Peninsula in northwest Kyushu, Japan. The spawning season and size at sexual maturity of this species were characterized based on a gonad index and histologic...