Dinosaurs: Amargasaurus

1. Scientists think Amargasaurus was a close relative of which dinosaur?

Diplodocus

Tyrannosaurus

Rhinoceros

Lufengosaurus

2. Which of the following statements about the teeth of Amargasaurus is not correct?

Amargasaurus had long, slender teeth

Amargasaurus had teeth only in the front of its mouth

Amargasaurus had teeth it used to feed on soft plants

Amargasaurus had hundreds of small, flat teeth for grinding its food

3. Amargasaurus may have had a fleshy sail along its back for what purpose?

To help Amargasaurus warm up and cool down

To help as Amargasaurus swam in deep water

To help Amargasaurus glide between trees

To help Amargasaurus hide from predators

4. The spines of Amargasaurus are extensions of what part of its body?

The skin

The backbone

The head

The tail

5. Amargasaurus lived how long ago?

200 million years ago

400 million years ago

130 to 125 million years ago

65 to 45 million years ago

6. What feature makes Amargasaurus stand out from other sauropod dinosaurs?

Amargasaurus had long claws on its front limbs

Amargasaurus had a double row of spines on its back

Amargasaurus had no tail

Amargasaurus had webbed fingers and toes

7. Amargasaurus lived in what part of the world?

North America

Asia

South America

Europe

8. The spines of Amaragasaurus were about how long?

Up to 6 feet (2 metres)

Only about 6 inches (15 centimetres)

About 20 inches (51 centimetres)

About 3 feet (1 metre)

9. Some scientists think Amaragasaurus did not use a fleshy sail to control its body temperature. Instead, they think the sail was used to do what?

Display to attract mates

Make the dinosaur look smaller

Help the dinosaur hide from predators

Swim in deep water

10. Amaragasaurus may have rattled its spines to make a loud noise for all but which of the following reasons?

To scare off and intimidate rivals

To let other know where you are

To attract mates

To help locate food