GLY/MFC 137: The Dinosaurs
Spring 2002
Name ________________________
Homework # 11 –
1. The equivalent term for “warm-blooded” is
a. endothermic
b. ectothermic
c. poikilothermic
d. exothermic
2. Warm-blooded metabolisms typically are
a. heterothermic
b. slow
c. fast
d. inertial
e. giantothermic
3. Vertebrates that maintain a nearly constant body temperature are
a. ectothermic
b. homeothermic
c. heterothermic
d. poikilothermic
4. Among vertebrates there is a striking correlation between upright limb posture and
a. ectothermy
b. endothermy
c. low blood pressure
d. heterothermy
5. All living bipeds are ___________________.
6. The skeletal evidence for speed, high levels of activity and agility in dinosaurs is confined to
a. sauropods
b. coelurosaurs
c. theropods and ornithopods
d. ornithopods
7. Dinosaur brain casts reveal
a. tiny, walnut sized brains
b. typically reptilian brains
c. surprisingly complex brains
8. A large amount of food processing in the mouth (i.e. “dental batteries and the like”) characterizes
a. ectotherms
b. endotherms
c. theropods
d. sauropods
9. The microstructure of dinosaur bone most closely resembles that of a living
a. lizard
b. snake
c. mammal
d. frog
10. True or False - The correlation between bone microstructure and metabolism is well-developed.
11. Animals that became extinct at the end of the Cretaceous include
a. whales
b. forams
c. cycads
d. mosasaurs
e. ichthyosaurs
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12. The largest extinction in the history of life on Earth occurred at the end of the
a. Permian
b. Cretaceous
c. Triassic
d. Pleistocene
e. Cambrian
13. At least _____ % of the families of shelled marine invertebrates became extinct at the end of the
Cretaceous
a. 5
b. 15
c. 85
d. 90
e. 99
14. Most _____ were not affected by the terminal Cretaceous extinction.
a. reptiles
b. mammals
c. birds
d. all of the above
e. none of the above
15. The last interval of the Cretaceous time is the
a. Montian
b. Messinian
c. Missourian
d. Maastrichtian
16. The two conflicting patterns seen in the latest Cretaceous dinosaurs of western North America
result, in part, from
a. differing identifications
b. differing amounts of collecting
c. differing locomotory patterns
d. a and b
e. b and c
17. A comet/asteroid impact at the end of the Cretaceous apparently left a worldwide layer of rock
that is rich in
__________________.
18. Quartz grains with laminar deformations generated by high speed shock in laboratories, nuclear
test sights and near impact craters are called
a. chert
b. muscovite
c. tektite
d. shocked quartz
19. Huge volcanoes were present at the end of the Cretaceous in
a. El Salvador
b. New Zealand
c. India
d. Japan
20. Possible effects of a comet/asteroid impact include
a. global darkness
Bonus
b. quartz rain c. supernova d. chronosynclastic infundibulation
The comet/asteroid impact theory predicts
a. a sudden extinction
b. a gradual extinction
c. a selective extinction
d. no extinction
Bonus II
Name another theory of what caused dinosaur extinction
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