photoperiodic adaptation

  • 1plant development — Introduction       a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… …

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  • 2Winter White Russian Dwarf Hamster — Taxobox name = Dwarf Winter White Russian Hamster status = LR/lc | status system = IUCN2.3 regnum = Animalia phylum = Chordata classis = Mammalia ordo = Rodentia subordo = Myomorpha superfamilia = Muroidea familia = Cricetidae subfamilia =… …

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  • 3coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction       in biology,… …

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  • 4agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …

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  • 5Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …

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  • 6Melatonin — Not to be confused with Melanin or Melanotan. Melatonin Systematic (IUPAC) name …

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  • 7Achaearanea tepidariorium — Gewächshausspinne Gewächshausspinne (Parasteatoda tepidariorum) (Weibchen mit Kokon) Systematik Unterordnung …

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  • 8Gewächshausspinne — (Parasteatoda tepidariorum) (Weibchen mit Kokon) Systematik Unterordnung: Echte Webspinnen (Araneomorphae) …

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  • 9Parasteatoda tepidariorum — Gewächshausspinne Gewächshausspinne (Parasteatoda tepidariorum) (Weibchen mit Kokon) Systematik Unterordnung …

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