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  • 1
    Electronic Resource
    Electronic Resource
    Karyotype and chromosome banding in the Turkish desert woodlouseDesertellio elongatus (Crustacea, Isopoda, Oniscidea) (1993)
    Springer
    Cellular and molecular life sciences 49 (1993), S. 339-341 
    Details
    ISSN: 1420-9071
    Keywords: Karyotype ; chromosome banding ; Desertellio elongatus ; Crustacea ; Isopoda ; Oniscidea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The karyotype ofD. elongatus was investigated by means of C-banding, silver staining, and mithramycin-and quinacrine fluorescent staining. The diploid chromosome number is 2n=50. C-banding shows pericentromerically localized constitutive heterochromatin in every chromosome. Two of the chromosome pairs carry two telomeric nucleolus organizer regions each. No heteromorphic sex chromosomes were found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01923417
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    Anemomenotatic orientation in beetles and scorpions (1972)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Orientation, by beetles and scorpions, according to wind direction and force are analyzed. Major efforts were made to determine: (1) which physical qualities of the air current influence anemomenotaxis, (2) which physiological mechanism is responsible for such orientation, (3) which sense organs do beetles and scorpions use to perceive wind directions, and (4) what the biological significance of anemomenotaxis in the beetle and scorpion is. Experimental results show that the trichobothria in scorpions perceives wind direction; in the beetle it is perceived by sense organs excited by pendicellus-flagellum joint movements. A compensation mechanism is suggested as the basis for anemomenotactic orientation. It was also suggested that the biological significance of anemomenotaxis in scorpions is space orientation; while in beetles it was found to be part of the appetitive behavior used to search for olfactory sign stimuli.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Animal Orientation and Navigation; p 501-510
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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