Dinosaurs: Spinosaurus

1. Which modern animal has a similar jaw structure to Spinosaurus?

Hog

Jay Leno

Crocodile

Lion

2. Why do many scientists think Spinosaurus hunted at least party in the water?

They have found fish fossils in the stomach of a close relative of Spinosaurus

Spinosaurus lived along shorelines

Spinosaurs had raised nostrils

All of the above

3. About how many years ago did Spinosaurus live?

80 million to 70 million

110 million to 100 million

150 million to 145 million

90 million to 60 million

4. Where did Spinosaurus live?

Northern Africa

Southern Australia

North America

South America

5. True or False. Spinosaurus was smaller than Tyrannosaurus.

True

False

6. True or False: The spines on Spinosaurus were actually long, thin pieces of bone.

True

False

7. True or False. Spinosaurus is the largest known meat-eating dinosaur.

True

False

8. What purpose did the sail-like growth on the back of Spinosaurus serve?

It might have helped cool off the dinosaur when it got warm

It might have helped heat up the dinosaur when it got cold

It might have helped attract mates

All of the above

9. Roughly how long could Spinosaurus grow?

30 feet (9 metres)

60 feet (18 metres)

10 feet (3 metres)

100 feet (30 metres)

10. What is the best description for the teeth of Spinosaurus?

Numerous, sharp, and small

Numerous, dull, and small

Numerous, sharp, and large

Numerous, dull, and large