Tag: "flashy" at biology news
Sudden change in social status triggers genetic response in male fish, study finds
...orphosis. His body color changes from dull gray to flashy
blue or yellow, and a prominent black stripe ("eyebar") appears across his face. This physical transformation signals to males and females alike that he's the top fish now and will vigorously defend his newly acquired breeding grounds. "We found th...
FSU biologist says new dinosaur is oldest cousin of Tyrannosaurus rex
...ut also the sexiest," Erickson said, what with its flashy
crest atop its small head –?an extravagant ornament likely used only for attraction and display purposes and the first of its kind seen in the tyrannosaur's predatory family. The creature has been named "Guanlong wucaii" and translated loosely from C...
Evolutionary forces explain why women live longer than men
...for the males, such as putting more resources into flashy
plumage or engaging in physical sparring. And even in modern life, where most dueling is a form of entertainment, male behavior and physiology is shortening their lifespans relative to women, Kruger said. In fact, modern lifestyles are actually exac...