Dinosaurs: Saltasaurus

1. Saltasaurus was a member of a group of sauropods that paleontologists call what?

Titanosaurs

Theropods

Bird-like dinosaurs

Hadrosaurs

2. Saltasaurus lived on Earth how long ago?

25 million years ago

50 million years ago

80 million years ago

120 million years ago

3. Why must paleontologists guess what the skull of Saltasaurus looked like?

The dinosaur did not have any teeth

Only fossil skulls of older Saltasaurus adults have been discovered

No complete skull of Saltasaurus has been found

Saltasaurus had teeth that looked like those of other dinosaurs

4. Paleontologists found thousands of fossilized Saltasaurus eggs in what country?

Chile

Argentina

Brazil

Ecuador

5. About 200 million years ago, nearly all of Earth's land was in a single continuous body called what?

Pangaea

Asia

Gondwanaland

Laurasia

6. Scientists have found more titanosaur fossils here than on any other continent.

North America

Asia

Europe

South America

7. Saltasaurus lived in what region of the world?

North America

Europe

South America

Antarctica

8. Compared to other titanosaurs, Saltasaurus is best described as what?

Smaller

Larger

Heavier

More colorful

9. Saltasaurus, like other titanosaurs, was protected from predators by what feature?

A long double row of spikes down its back

A boney frill around its neck

Sharp horns over its eyes

Boney plates embedded in its skin

10. The teeth of Saltasaurus were best described as what shape?

Spoon shaped

Knifelike

Peglike

Flat