Question 1

Mammals attained a high degree of diversity and abundance during the Mesozoic.

Accepted Answer

A) True 
 B)False  False

Question 2

The main commodity associated with large batholithic intrusions in the western United States is ____________________.

Accepted Answer

gold

Question 3

Contrast saurischian and ornithischian dinosaurs. Describe the ancestor of both of these dinosaur groups.

Accepted Answer

Saurischian dinosaurs had a lizard-like pelvis. Ornithischians had a bird-like pelvis. Unlike saurischians, ornithischians had no teeth in the front of their mouth and they had bonelike tendons in the back region. The common ancestor of these dinosaurs was much like archosaurs. Archosaurs were small, long-legged carnivores that walked and ran on their hind limbs meaning that they were bipedal.

Question 4

What geologic evidence chronicles the separation of North America and Africa?

Accepted Answer

There are numerous r

Question 5

_____ are extinct squidlike cephalopods from the Cretaceous that are excellent guide fossils.

Accepted Answer

A) Belemnoids 
B) Nautiloids 
C) Coleoids 
D) Oysters 
E) Ammonites 
A) Belemnoids 
B) Nautiloids 
C) Coleoids 
D) Oysters 
E) Ammonites

Question 6

The Permian\Triassic orogenic event that occurred with the collision of an island arc with the western margin of North America is called the ____ orogeny.

Accepted Answer

A) Antler 
B) Cordilleran 
C) Sonoma 
D) Franciscan 
E) Western 
A) Antler 
B) Cordilleran 
C) Sonoma 
D) Franciscan 
E) Western

Question 7

Dome-headed dinosaurs (pachycephalosaurs)are only known to us from ____ rocks.

Accepted Answer

A) early Triassic 
B) early Jurassic 
C) late Jurassic 
D) early Cretaceous 
E) late Cretaceous 
A) early Triassic 
B) early Jurassic 
C) late Jurassic 
D) early Cretaceous 
E) late Cretaceous

Question 8

At the Cretaceous-Paleogene boundary, a(n)_____ has been found.

Accepted Answer

A) guide fossil 
B) missing link 
C) gold anomaly 
D) platinum anomaly 
E) iridium anomaly 
A) guide fossil 
B) missing link 
C) gold anomaly 
D) platinum anomaly 
E) iridium anomaly

Question 9

During the Jurassic and Cretaceous, the Appalachian range was eroded into a low-lying erosional surface.

Accepted Answer

A) True 
 B)False

Question 10

Scientists know that birds began to evolve prior to the Cretaceous due to the fossil ____________________.

Accepted Answer

The answer of Scientists know that birds began to evolve...

Question 11

Ammonites of the Mesozoic were characterized by a very ____.

Accepted Answer

A) restricted duration in time 
B) complex indenture pattern 
C) complex feeding mechanism 
D) complex growth suture pattern 
E) complex locomotor mechanism 
A) restricted duration in time 
B) complex indenture pattern 
C) complex feeding mechanism 
D) complex growth suture pattern 
E) complex locomotor mechanism

Question 12

Oceanic and atmospheric circulation patterns _____ during the Mesozoic.

Accepted Answer

A) did not change 
B) greatly accelerated 
C) greatly decelerated 
D) accelerated in the Northern Hemisphere only 
E) accelerated in the Southern Hemisphere only 
A) did not change 
B) greatly accelerated 
C) greatly decelerated 
D) accelerated in the Northern Hemisphere only 
E) accelerated in the Southern Hemisphere only

Question 13

Describe why there are such massive petroleum deposits in the Persian Gulf region.

Accepted Answer

The accumulation of petroleum

Question 14

Mesozoic birds are similar to Cenozoic birds in that both have teeth.

Accepted Answer

A) True 
 B)False

Question 15

The major reef builder of the Mesozoic was the ____________________.

Accepted Answer

The answer of The major reef builder of the Mesozoic...

Question 16

Triassic land-plant communities were significantly different than Permian due to the evolution of angiosperms.

Accepted Answer

A) True 
 B)False

Question 17

There is evidence that some of the organisms that went extinct at the end of the Cretaceous were already beginning to decline in population strength.

Accepted Answer

A) True 
 B)False

Question 18

Fault-block basins began to form in eastern North America during the ____.

Accepted Answer

A) late Triassic 
B) early Jurassic 
C) late Jurassic 
D) early Cretaceous 
E) late Cretaceous 
A) late Triassic 
B) early Jurassic 
C) late Jurassic 
D) early Cretaceous 
E) late Cretaceous

Question 19

How did ichthyosaurs and plesiosaurs differ?

Accepted Answer

A) Ichthyosaurs were able to travel onto the land. 
B) Ichthyosaur females probably gave birth to live young. 
C) Plesiosaur females probably gave birth to live young. 
D) Plesiosaurs were adapted only to the aquatic environment. 
E) Ichthyosaurs ate fish and plesiosaurs did not. 
A) Ichthyosaurs were able to travel onto the land. 
B) Ichthyosaur females probably gave birth to live young. 
C) Plesiosaur females probably gave birth to live young. 
D) Plesiosaurs were adapted only to the aquatic environment. 
E) Ichthyosaurs ate fish and plesiosaurs did not.

Question 20

During the Mesozoic, climatic variation on Earth could be described as ____.

Accepted Answer

A) extreme in terms of precipitation 
B) extreme in terms of temperature 
C) lacking great north-south variation 
D) having great north-south variation 
E) similar to the present day 
A) extreme in terms of precipitation 
B) extreme in terms of temperature 
C) lacking great north-south variation 
D) having great north-south variation 
E) similar to the present day

Exam 22: Mesozoic Earth and Life History

Mammals attained a high degree of diversity and abundance during the Mesozoic.

The main commodity associated with large batholithic intrusions in the western United States is ____________________.

Contrast saurischian and ornithischian dinosaurs. Describe the ancestor of both of these dinosaur groups.

What geologic evidence chronicles the separation of North America and Africa?

_____ are extinct squidlike cephalopods from the Cretaceous that are excellent guide fossils.

The Permian\Triassic orogenic event that occurred with the collision of an island arc with the western margin of North America is called the ____ orogeny.

Dome-headed dinosaurs (pachycephalosaurs)are only known to us from ____ rocks.

At the Cretaceous-Paleogene boundary, a(n)_____ has been found.

During the Jurassic and Cretaceous, the Appalachian range was eroded into a low-lying erosional surface.

Scientists know that birds began to evolve prior to the Cretaceous due to the fossil ____________________.

Ammonites of the Mesozoic were characterized by a very ____.

Oceanic and atmospheric circulation patterns _____ during the Mesozoic.

Describe why there are such massive petroleum deposits in the Persian Gulf region.

Mesozoic birds are similar to Cenozoic birds in that both have teeth.

The major reef builder of the Mesozoic was the ____________________.

Triassic land-plant communities were significantly different than Permian due to the evolution of angiosperms.

There is evidence that some of the organisms that went extinct at the end of the Cretaceous were already beginning to decline in population strength.

Fault-block basins began to form in eastern North America during the ____.

How did ichthyosaurs and plesiosaurs differ?

During the Mesozoic, climatic variation on Earth could be described as ____.

Understanding Earth: a Dynamic and Evolving Planet

Plate Tectonics: a Unifying Theory

Minerals: The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earthapos;s Interior

Deformation, Mountain Building, and Earthapos;s Crust

Mass Wasting

Running Water--Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution--The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Cenozoic Earth and Life History

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