Rovner j s (8 Ergebnisse)
- Hardcover
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Hardcover. Zustand: As New. No Jacket. Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less.
- Hardcover
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Hardcover. Zustand: Brand New. 1st edition. 189 pages. 9.25x6.25x1.00 inches. In Stock.
- Hardcover
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Zustand: New. In.
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Zustand: New. Über den AutorEric S Rovner et alKlappentextrnrnThis comprehensive and practical guide will give millions of women the help they need by providing them with information on: The different types of incontinence and.
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In den WarenkorbWe observed the sequences of behaviors shown during encounters between individuals in conspecifically and heterospecifically grouped adult female Lycosa punctulata, L. rabida, and L. helluo. Significant linkages within pairs of successive acts between individuals were revealed, indicating that some behaviors have communicatory e…ffects. There were no major differences among the three species in the forms of behaviors shown, nor in the sequences of these behaviors, the sequences being highly variable. Some of the behaviors, and perhaps their sequence variability, probably inhibit approach and/or attack, thus resulting in spacing of the individuals. Cannibalism was infrequent (< 1%) within conspecific as well as heterospecific groups. Food deprivation did not increase cannibalism within conspecific groups of post-mating age females, suggesting either that hunger does not increase the level of aggressivity among conspecific females of this physiological class, or that hunger lowers their fighting potential and thereby increases their avoidance tendency. 16 pp., 7 figs, 3 tabs. gr. 8.
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In den WarenkorbThe untested idea that wolf spiders such as Lycosa rabida rely on visual cues when preying on fireflies at night was examined. Under controlled conditions, individuals of L. rabida and L. punctulata were exposed to both actual and simulated firefly flashing. These stimuli elicited orientation or approach in only 24% of the spide…rs. In other experiments, constant light yielded more responses than did flash patterns, and a stationary light elicited more responses than did a moving light. Both of these findings suggest that phototaxis underlies the responses. To determine the importance of vibratory cues, crawling fireflies were offered to blinded spiders on a paper substratum and on living plants; response levels were 85% and 100%, respectively. These data suggest that much, if not most, nocturnal predation by lycosid spiders on fireflies involves vibratory rather than visual stimuli. 7 pp., 1 tab., gr. 8.
- Hardcover
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Hardcover. Zustand: Very Good. 1st ed. 2018. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.
Verlag: 1st. Ed. Pub. Princeton Uni. Press. 1982, 1982
- Hardcover
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In den WarenkorbHardcover. Dust Jacket Included. pp.ix, 440 with b/w. photos., illus., figs., and tables. 8vo. Eric Duffey's bookplate, address label. Nr. fine hardback in nr. fine dw. In-print at £154.00. Concentrating on the complex spider communication system, this book assembles the most recent multidisciplinary advances of leading research…ers from many countries to assess the peculiar role spiders play in the animal kingdom.
