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Articoli marcati con tag ‘fecondazione’

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SOMMARIO

  • Gli Animali (o Metazoi) sono  organismi eucarioti, eterotrofii, pluricellulari  e mobili durante almeno uno stadio della loro vita. Si riconoscono circa 1,5 milioni di specie note viventi.
  • Il loro processo evolutivo è in atto da oltre 500 milioni di anni.
  • Sono classificati in base ai differenti piani strutturali corporei che li caratterizzano.

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  • Bacteria manipulate salt to build shelters to hibernate
    For the first time, researchers have detected an unknown interaction between microorganisms and salt. When Escherichia coli cells are introduced into a droplet of salt water that is left to dry, bacteria manipulate the sodium chloride crystallization to create biomineralogical biosaline 3-D morphologically complex formations, where they hibernate. Afterwards […]
  • GSAD and Plant rDNA database: two open platforms with plant cytogenetic information
    Having cytogenetic information about plants is basic to classify species and promote new studies on agriculture and crop improvement. This is the main objective of two online platforms that collect chromosome information and provide it to the scientific community.
  • 'Light pollution' may affect love lives of birds in the Viennese Forests
    Artificial light in cities exerts negative effects on humans, animals, and their environment. In an ongoing research project, behavioral biologists are investigating how blue tits in the Viennese Forests react to "light pollution." The study might help to understand effects of “light-at-night” on reproductive behavior of birds. In consequence, it c […]
  • New hope for powdery mildew resistant barley
    New research has opened the way for the development of new lines of barley with resistance to powdery mildew. "Powdery mildew is a significant problem wherever barley is grown around the world," says the lead researcher. "Growers with infected crops can expect up to 25% reductions in yield and the barley may also be downgraded from high qualit […]
  • Parched West is using up underground water: Study points to grave implications for Western U.S. water supply
    A new study finds more than 75 percent of the water loss in the drought-stricken Colorado River Basin since late 2004 came from underground resources. The extent of groundwater loss may pose a greater threat to the water supply of the western United States than previously thought.
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