Tag: "parasitized" at biology news
A puzzle posed by black-headed ducks yields to persistent biologists
...d parasitism within their own species, but are not parasitized
by other species. When white chicken eggs were added to their nests, they rejected some but not all of them, much like the response of the two South American coot species to black-headed duck eggs. This supports the idea that rejection of the black-h...
Selective predation and productivity jointly drive complex behavior in host-parasite systems
...ly interesting because they often prefer to attack parasitized
hosts. Could predators catalyze these behaviors? ...del which shows how predators that strongly prefer parasitized
hosts can introduce "Allee effects" for parasites at lower productivity and sudden but unavoidable e...
Emory study finds monarch health tied to migration
...ying to run a marathon with the flu. In this case, parasitized
animals will drop out of the race, and across the ...th graduate student Catherine Bradley, showed that parasitized
monarch butterflies had 10-20 percent lower flight ability while on the "butterfly treadmill," and t...
Parasites trigger healthy eating in caterpillars
...ogical methods, Bernays and Singer figured out why parasitized
caterpillars switch to a more healthful eating beh...change in behavior elicited by the parasites makes parasitized
caterpillars consume more of the beneficial plants. In many cases, the altered behavior helps the ca...
For crickets, parasitic flies can stop the music
...acing themselves at even greater jeopardy of being parasitized
by the flies. Brockmann said this may reflect the presence of many more females in the fall, enabling male singers to mate many more times. Also, many male crickets never sing, apparently finding mates by simply walking around until they encounter ...
G6PD deficiency is associated with significant protection against severe, life-threatening malaria
...ppears to mitigate disease processes set up by the parasitized
cells in the bloodstream. The protection was confirmed by a combined analysis of these data and data from a previous study. Protection was most evident against cerebral malaria, the most frequent form of life-threatening malaria in these studies. T...