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

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

What could scientists infer if they found the same type of fossil in different locations? aThe locations used to be connected or were close by in the past bThe area used to be covered by water cThere was a mass extinction event dThe organism lived on Earth 2.3 million years ago

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

Scientists can estimate the ages of rock if they contain certain __________. A. sediments B. carbons C. minerals D. index fossils

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