Which question is not answered by the article?A.Why do some scientists think the Raptorex is an ancestor of the T. rex?B.Where does dinosaur expert John R. Horner work?C.Where were the Raptorex fossil bones found?D.When were the first T. rex fossils found?SUBMITExtras

Which statement from the article best supports the idea that the Raptorex may not be an ancestor of the T. rex?A.Sereno believes that the Raptorex was a predator.B.…Drawings of what the Raptorex might have looked like show that there were differences between its appearance and that of the massive T. rex.C.It may have run down prey with its strong legs, killed with its powerful jaws, and clutched its victims with its two-fingered "hands."D.The newly found fossil looks a lot like T. rex fossils.SUBMITExtras

The reader can tell from the article that __________.A.Scientists probably found other bones outside of China from a much older Raptorex.B.Scientists probably hope that they will be unable to find any more Raptorex bones.C.Dinosaur bones found in China are not as old as bones found in other parts of the world.D.Fossilized bones are used by scientists to try to tell what life was like centuries ago.SUBMITExtras

A paleontologist found a fossil of an organism that looks like modern-day ferns. Which would most likely assist the paleontologist in proving that the two organisms are related? A. mapping the location of where the fossil grew against where modern-day ferns grow B. recording how the tectonic plates have moved since the fossil was created C. analyzing the composition of the rock in which the fossil was discovered D. comparing the structures of the fossil to that of modern-day ferns

Which of these is an opinion?A.The Raptorex is thought to be about 100 times smaller than the T. rex.B.The Raptorex remains were discovered in northeastern China.C.The Raptorex was a very exciting discovery.D.The Raptorex weighed only about 150 pounds.SUBMITExtras

Based on the information in the map, which fossils provide the best evidence for past tectonic plate arrangement?​Select the two correct answers.