The Timetree of Life. S. Blair Hedges and Sudhir Kumar, editors.
نویسندگان
چکیده
منابع مشابه
“the effect of risk aversion on the demand for life insurance: the case of iranian life insurance market”
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
15 صفحه اولcomparative analysis of the use of hedges & emphatics in english and persian academic research articles of sociology & psychology
چکیده ندارد.
15 صفحه اولNew grand tree of life study shows a clock-like trend in the emergence of new species and diversity.
Temple University researchers have assembled the largest and most accurate tree of life calibrated to time, and surprisingly, it reveals that life has been expanding at a constant rate. “The constant rate of diversification that we have found indicates that the ecological niches of life are not being filled up and saturated,” said Temple professor S. Blair Hedges, a member of the research team....
متن کاملOne hundred important questions facing plant science research.
biogeochemical cycling over Phanerozoic time. American Journal of Science 301: 182–204. Berner RA, Kothavala Z. 2001. Geocarb III; a revised model of atmospheric CO2 over Phanerozoic time. American Journal of Science 301: 182–204. Clarke JT, Warnock RCM, Donoghue PCJ. 2011. Establishing a timescale for plant evolution. New Phytologist 192: 266–301. Davies NS, Gibling MR. 2010. Cambrian to Devon...
متن کاملthis study investigated the relationship between quality of work life and organization citizenship behavior from the viewpoint of teachers in high schools in tehran city.
چکیده هدف از پژوهش حاضر بررسی رابطه کیفیت زندگی کاری و رفتار شهروندی سازمانی در مدارس مقطع متوسطه پسرانه شهر تهران از دیدگاه دبیران بود. روش پژوهش حاضر توصیفی و از نوع همبستگی بود. از بین دبیران مدارس شهر تهران تعداد 380 نفر به روش نمونه گیری خوشه ای چند مرحله ای به عنوان نمونه پژوهش انتخاب شدند و با تکمیل پرسشنامه ی کیفیت زندگی کاری والتون(1975) و پرسشنامه ی رفتار شهروندی سازمانی پودساکو...
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ژورنال
عنوان ژورنال: Integrative and Comparative Biology
سال: 2009
ISSN: 1540-7063,1557-7023
DOI: 10.1093/icb/icp110