Looking for a job compare and contrast essay mla In recent years, some paleontologists had argued that T. rex only fed on the dead. Fossil hunters have previously found dinosaur bones scarred by tooth-marks and skulls punctured by bites, and they have also uncovered trails of fossilized footprints that recorded a predator's pursuit of its prey. Until now, though, they had nothing to identify the specific predators responsible. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])