nannoplankton plant

  • 1plankton — planktonic /plangk ton ik/, adj. /plangk teuhn/, n. the aggregate of passively floating, drifting, or somewhat motile organisms occurring in a body of water, primarily comprising microscopic algae and protozoa. [1890 95; < G, special use of neut …

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  • 2Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene …

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  • 3Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …

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  • 4Earth 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&#8230; …

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  • 5Extinction Crétacé-Tertiaire — Badlands près de Drumheller, Alberta, où l érosion a découvert à l air libre la limite K–T …

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  • 6Biosphäre — Die Biosphäre reicht hinauf bis in den unteren Rand der Mesosphäre. Die Biosphäre [bioˈsfɛːrə] (von griechisch βίος bíos ‚Leben‘ und σφαίρα sfaira ‚Kugel‘) bezeichnet den Raum mit Leben eines Himmelskörpers. Es ist derjenige Raum, in dem Leben&#8230; …

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