Do You Know Dinos? - MSN Encarta

When do scientists estimate that dinosaurs first walked the earth?

Origins of the Dinosaurs (Image Credit: Microsoft Corporation)

230 million years ago

100 million years ago

20 million years ago

Which dinosaur period came first?

Cretaceous

Triassic

Jurassic

Where is the largest known concentration of dinosaur remains?

Tanzania

Canada

Montana

Where should you look for fossils of the large, duck-billed dinosaur, Hadrosaurus?

New Jersey

Ethiopia

Texas

The brains of the smartest theropods (like Tyrannosaurus) were roughly the same size as what type of animal seen today?

Chimpanzee

Dog

Chicken

How did a sauropod like the Apatosaurus process its food? (Hint: You may have heard the Apatosaurus called by its former name, Brontosaurus.)

Smashing, using large, flat teeth

Grinding, using rocks in its gizzard

Tearing, using small razor-sharp teeth

Which was the heaviest dinosaur?

Dinosaurs of all shapes and sizes (Image Credit: Microsoft Corporation)

Tyrannosaurus

Giganotosaurus

Apatosaurus

The distinctive triangular plates on the back of the Stegosaurus were an effective defensive armor. What other purpose did they serve?

Cooling

Camouflage

Decoration

The 1993 discovery of the first Bambiraptor feinbergi fossil supported the theory that dinosaurs and birds are related. Who found the Bambiraptor?

Stephen Jay Gould, professor at Harvard University

Paul Sereno, professor at University of Chicago

Wes Linster, 14-year-old

What proportion of all dinosaur varieties do scientists think they have identified so far?

10 percent

30 percent

75 percent