摘要: Summary A newly described species of empidid or 'dance fly' shows a bizarre polymorphism in their forelegs, which presumably serve as a mating lure. This trait may have evolved by frequency-dependent deceptive male signalling.关键词:...
Within the family Calliphoridae (blowflies), sex-specific differences in CHCs have been reported for several species, but there is no evidence that CHCs facilitate sexual behavior. In order to elucidate the function of CHCs in Calliphoridae, studies combining behavioral and chemical analyses are ...
However, few studies have examined whether spanking leads to positive child behaviors and, if not, what other parent behaviors do elicit positive child behaviors. Using longitudinal data for children (ages 1-5) we examined the reciprocal associations between maternal warmth and physical punishment and...
What do pets and wild animals have in common? Some pets - like dogs, for instance - can easily turn back into wild animals when abandoned or let loose. This is especially true for places where people lack resources or education to properly take care of their pets. Right now, we have ov...
Do Fruit Flies Have Free Will? Torque spike analysis We chose the temporal sequence of highly stereotyped flight manoeuvres producing short bursts of yaw-torque ('torque spikes'; corresponding to body-saccades in free flight) for our analysis (Fig. 2). If the producti... Bjrn Brembs,A Maye...
Surveys to obtain data on food intake have been carried out and analyzed to fi nd out if the intake supplies the nutritional requirements. Protein adequacy, like that of other nutrients, depends on several factors, besides the amount available to the body. Knowledge of nutritional value is essen...
The Terrible Truth about Time will get your ticker racing! Don't wait a minute longer to discover: -What happens if you go too close to a black hole? -How do flies tell the time? -Why the years pass more quickly as you get older? If you ... N Arnold 被引量: 2发表: 2002年 ...