To calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. Since 1800, human population has grown from one billion to six billion people.
Watermelon, Citrullus lanatus (Thunb.) Matsum. & Nakai (Cucurbitales: Cucurbitaceae), is one the 5 most-consumed fresh fruits in the world. The thrips Frankliniella schultzei (Trybom) (Thysanoptera: ...
ABSTRACT North American grassland birds experienced steeper, more consistent, and widespread declines than other avian guilds in the past quarter century. Despite the surge of research into their ...
Log-in to bookmark & organize content - it's free! Jonathan Salk, son of polio vaccine developer Jonas Salk, discussed the historic growth of the world population, factors affecting that and ...
Large-scale climate patterns have a direct impact on the reproductive success of female Antarctic krill, which in turn has a negative effect on the Antarctic ecosystem. The study was published in ...
To calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. Since 1800, human population has grown from one billion to six billion people.
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