economists give this a worrying 20-30 percent chance of happening, due to Brexit, China, the still wobbly Euro-zone, student loan debt, etc. And if this happened, the Republicans in Congress would do nothing to prevent it, and there's little a president could do, either....
Do cicadas belong to the Insecta class? What characterizes members of the phylum Nematoda? What phylum does Amoeba proteus belong to? Are members of the phylum Platyhelminthes parasites in humans? What type of digestive system do flatworms have?
We manually inspected the recordings and found out that the higher frequencies were usually occupied by bats (social calls, since we did not measure ultrasound) and insects (mainly cicadas). Bats are known to avoid noisier areas because this can decrease rates success on foraging (Schaub, ...
P1–P9 represent cycling predators. The number-line represents years. The highlighted gaps show how 13 and 17-year cicadas manage to avoid their predators. Credit: Sam Baron It seemsthese cicadas have evolvedto exploit basic facts about numbers. Creation or discovery? Once we start...
Both groundhogs and prairie dogs are members of the squirrel family of rodents,Sciuridae, which means “shadow-tail.” All species in this family have four toes on their front feet and five on their hind feet. Their eyes are set high on their heads so they can watch for predators. Both...
The order Hemiptera is a large and diverse order consisting of insects such as bugs, aphids, and cicadas. Insects of order Hemiptera are extremely diverse in size, shape, and color. Order Hemiptera has three suborders: Heteroptera (true bugs), Auchenor...
Duets represent a special type of loud call (or long-distance call). Duets can be considered a form of loud call because of their high intensity. Although many works on duetting animals do not report the intensity of the vocal emission, when this information is available, it shows that ...
As dusk approaches the throbbing wail of cicadas loses its urgency and eventually stops, as do the relentless attacks of blood-sucking deer flies. The white-throated swifts that had ruled the skies for most of the afternoon are now settled in for the night, giving way to their mammalian co...
aFrom Third Avenue comes the sound of the mad builders—American cicadas, out in the noonday sun. In the garden the sparrow chants—a desultory second courtship, a subdued passion, in keeping with the great heat, love in summertime, relaxed and languorous. I shall miss this apartment when ...
but seeing and feeling reign supreme in the frosty air, snow and ice. A snowball can be wet, dry or in between. One falls apart before it reaches its target. Another is a ball of ice and forbidden by parents. Summer sounds mark cicadas, tree frogs, owls, hawks and dry leaves rustling...