Raising the Dinosaur Giant /5

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Integrated Science
Chapter 14 Video
Raising the Dinosaur Giant
Name ______________________________
Period _______ Date _________________
/5
http://www.pbs.org/wnet/nature/raising-dinosaur-giant-full-episode/13885/
1. Where is Patagonia? ________________________________
2. When was the Cretaceous Period? ________________________
3. What is the name of the largest plant-eating sauropod? _______________________________
4. How long was its femur (thigh bone)? _____________________________________________
5. How heavy was the Titanosaurus estimated to be? ___________________________________
6. Careful excavation has shown that Titanosaurus laid as many as __________ eggs per clutch?
7. Analysis of the rings from the leg bones indicates that Titanosaurus grew _________________
early in their lives and could live to ______________ years.
8. How long was the Titanosaurus thought to be? ______________________________________
9. What adaptation did the Titanosaurus have that the elephant lacked? ____________________
____________________________________________________________________________
10. How big in circumference was the Titanosaurus heart calculated to be? ___________________
11. The heart of Titanosaurus could “shift” (pump) over ________ liters of blood in a single beat.
12. How many chambers do scientists think the heart of the Titanosaurus had? _______________
13. Based on the analysis of volcanic ___________ surrounding the bones, the fossils of
Titanosaurus date from the _______________ period to precisely _____________ years old?
14. What are some of the different kinds of plants on which the Titanosaurus fed?
_________________________ _________________________ _________________________
15. What did all of these plants have in common? _______________________________________
16. The descendent of one of these plants is the _______________________________________
which can grow to ____________________ feet in height.
17. Why did the Titanosaurus have such a long tail?
____________________________________________________________________________
____________________________________________________________________________
18. What is the name of the large carnivorous dinosaur species found near the Titanosaurus
fossils? ___________________________________________
19. What evidence supports the theory that the fossils belonging to Titanosaurus were incubating
their eggs in the warmth of soil heated by volcanic activity?
____________________________________________________________________________
____________________________________________________________________________
20. Based on the scientist’s estimates, the Titanosaurus probably weighed _____________ metric
tons, or the equivalent weight of _________ African elephants making the Tyrannosaurus
the largest known dinosaur.
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