Tag: "dragonflies" at biology news
Road salt affects mitigation wetlands
...ke to see is what happens to bullfrog tadpoles and dragonflies
that overwinter in the sediment mud." The researcher would also like to sample the soil where the runoff eventually leaves the wetland to see if salt is building up there....
Fish in ponds benefit flowering plants
...y start their lives in the ponds as larvae. Those dragonflies
that can escape the fish grow up to live outside t... of dragonflies. Likewise, there is evidence that dragonflies
avoid laying eggs in ponds with fish. Knight noted that many organisms, for instance, salamanders, ...
A new angle on flowers: Fish are players in pollination
... in freshwater ponds and other water bodies. Adult dragonflies
are major predators of bees, butterflies and other...red both the dragonfly larvae in the ponds and the dragonflies
buzzing above them. They also compared the number of bees, butterflies and other pollinators visitin...
New class of antibiotics effective against drug-resistant bacteria discovered in fungi
..., resembles defensins found in spiders, scorpions, dragonflies
and mussels - thus suggesting that the defensins found in insects, molluscs and fungi arose from a common ancestral gene, the researchers say. Based on this information, the scientists now believe that defensins appeared in living things more than a ...
Dragonfly migration resembles that of birds, scientists say
...based on datagenerated by tracking 14 green darner dragonflies
with radiotransmitters weighing only 300 milligram...y biology. "Additionally, groups of both birds and dragonflies
did not migrate on very windy days and only moved after two successivenights of falling temperatures...
Giant insects might reign if only there was more oxygen in the air
...nd abundant plant life and rather large insects -- dragonflies
had two-and-a-half-foot wing spans, for example. T... insect size in the Paleozoic era, too? After all, dragonflies
and some other insects back then had the same body architecture, but they were much bigger. It is ...
Dragonfly's metabolic disease provides clues about human obesity
suffer the same metabolic disorders that have led ...nges in metabolism. Unable to metabolize fat, the dragonflies
accumulate fat around their muscles. This finding begs the question of whether something similar mi...