Read the passage below and summarize it using one sentence. Type your response in the box at the bottom of the screen. You have 10 minutes to finish this task. Your response will be judge on the quality of your writing and on how well your response presents the key points in the passage.

Males do the singing and females do the listening. This has been the established, even cherished read of appeal in birds, however currently some ornithologists square measure dynamic tune, Laszlo Garamszegi of the University of the metropolis, Belgium, and colleagues studied the literature on 233 European songster species, Of the 109 that data on females was offered, they found proof for singing in one zero one species in precisely eight species might the team conclude that females didn’t sing?

Females that sing are unmarked, the team say, as a result of their songs square measure quiet, they’re mistaken for males from their similar plume or they sleep in less well studied areas like the tropics. Garamszegiblames naturalist for the oversight. “He emphasized the importance of male sexual show, and this can be what everybody has been gazing.”

The findings transcend trendy species. when rigorously tracing back Associate in Nursing biological process kindred for his or her songbirds, Garamszegi’s team discovered that, in a minimum of 2 bird families, singing evolved in females 1st. They recommend these ancient females might are victimization their songs to discourage different females from their territories, to coordinate breeding activities with males, or presumably to draw inmates. “It leaves North American country with a puzzling question,” says Garamszegi. “What biological process forces drove some females to relinquish up singing?”

« Previous                                                   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20                                                   Next »