addition d'extinction

addition d'extinction
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Dictionnaire polytechnique Français-Russe. 2013.

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  • Extinction event — …   Wikipedia

  • Extinction — [ thumb|The Dodo, shown here in a 1651 illustration by Jan Savery, is an often cited example of modern extinction.cite book | last = Diamond | first = Jared | authorlink = Jared Diamond | title = Guns, Germs, and Steel | publisher = date = 1999|… …   Wikipedia

  • Permian–Triassic extinction event — …   Wikipedia

  • Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …   Wikipedia

  • Quaternary extinction event — Late Pleistocene landscape of northern Eurasia The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch.… …   Wikipedia

  • Human extinction — is the end of the human species. Various scenarios have been discussed in science, popular culture, and religion (see End time). The scope of this article is existential risks. Humans are very widespread on the Earth, and live in communities… …   Wikipedia

  • Neanderthal extinction hypotheses — are theories about how Neanderthals became extinct around 30,000 years ago.[1] Since their discovery, both the Neanderthals place in the human family tree and their relation to modern Europeans has been hotly debated. At different times they have …   Wikipedia

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • conservation — conservational, adj. /kon seuhr vay sheuhn/, n. 1. the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights. 2. official supervision of rivers, forests, and other… …   Universalium

  • environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

  • Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium


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