Question 1

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

Accepted Answer

A) True 
 B)False  False

Question 2

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

Accepted Answer

There are numerous rift basins that formed during the early part of the Mesozoic Era.

Question 3

What is the difference between a reptile's lower jaw and a mammal's lower jaw?

Accepted Answer

A)  Mammals have 16 teeth in the lower jaw. 
B)  The lower jaw of a reptile is a single bone. 
C)  The lower jaw of a reptile contains no teeth. 
D)  The lower jaw of a mammal is a single bone. 
E)  The lower jaw of a reptile contains 12 teeth. 
A)  Mammals have 16 teeth in the lower jaw. 
B)  The lower jaw of a reptile is a single bone. 
C)  The lower jaw of a reptile contains no teeth. 
D)  The lower jaw of a mammal is a single bone. 
E)  The lower jaw of a reptile contains 12 teeth. D

Question 4

During the breakup of Pangaea,the eastern margin of North America went first through a passive margin stage and then through a rift margin stage.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Describe global climate on Pangaea during the Late Paleozoic and Early Mesozoic.How did the breakup of the supercontinent affect global climate?

Accepted Answer

Pangaea had relatively little coastline

Question 7

The effect of the meteorite impact at the end of the Cretaceous is thought to have been ____.

Accepted Answer

A)  great input of particulate matter into the atmosphere 
B)  blocking of the incoming solar radiation 
C)  cessation of photosynthesis 
D)  collapse of the food chains 
E)  all of these 
A)  great input of particulate matter into the atmosphere 
B)  blocking of the incoming solar radiation 
C)  cessation of photosynthesis 
D)  collapse of the food chains 
E)  all of these

Question 8

Where are most of the world's diamond resources found?

Accepted Answer

They are found in Cr

Question 9

The general term "Cordilleran orogeny" is applied collectively to a series of individual mountain building episodes known as the ____________________,____________________,and ____________________ orogenies.

Accepted Answer

Nevadan,Se

Question 10

The Gulf of Mexico began to form during the ____ ____ as North America separated from ____.

Accepted Answer

A)  Early Triassic, Africa 
B)  Late Triassic, Africa 
C)  Early Triassic, South America 
D)  Late Triassic, South America 
E)  Middle Triassic, Africa 
A)  Early Triassic, Africa 
B)  Late Triassic, Africa 
C)  Early Triassic, South America 
D)  Late Triassic, South America 
E)  Middle Triassic, Africa

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

The Franciscan Group rocks are a chaotic assemblage because they ____.

Accepted Answer

A)  represent ocean rift zone sediments 
B)  represent deposition in an active deep ocean trench 
C)  represent complex intrusion along a fault zone 
D)  are high grade metamorphic rocks 
E)  were deposited in a fault zone 
A)  represent ocean rift zone sediments 
B)  represent deposition in an active deep ocean trench 
C)  represent complex intrusion along a fault zone 
D)  are high grade metamorphic rocks 
E)  were deposited in a fault zone

Question 13

Rudists bivalves were an important component of the Mesozoic reef community.

Accepted Answer

A) True 
 B)False

Question 14

The breakup of Pangaea began during the ____________________ Period and continued through the ____________________ Period.

Accepted Answer

The answer of The breakup of Pangaea began during the...

Question 15

Most of the burrowing organisms of the Mesozoic marine community were soft-bodied animals.

Accepted Answer

A) True 
 B)False

Question 16

The distinctive sedimentary rocks that were deposited in the early-formed Gulf of Mexico were ____________________.

Accepted Answer

The answer of The distinctive sedimentary rocks that were deposited...

Question 17

One of the most productive dinosaur fossil stratigraphic horizons is the Triassic Newark Group.

Accepted Answer

A) True 
 B)False

Question 18

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 19

More species went extinct at the end of the Permian than at the end of the Mesozoic.

Accepted Answer

A) True 
 B)False

Question 20

The common ancestor of modern marsupials and placental mammals were the ____________________.

Accepted Answer

The answer of The common ancestor of modern marsupials and...

Exam 22: Mesozoic Earth and Life History

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

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

What is the difference between a reptile's lower jaw and a mammal's lower jaw?

During the breakup of Pangaea,the eastern margin of North America went first through a passive margin stage and then through a rift margin stage.

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

Describe global climate on Pangaea during the Late Paleozoic and Early Mesozoic.How did the breakup of the supercontinent affect global climate?

The effect of the meteorite impact at the end of the Cretaceous is thought to have been ____.

Where are most of the world's diamond resources found?

The general term "Cordilleran orogeny" is applied collectively to a series of individual mountain building episodes known as the ____________________,____________________,and ____________________ orogenies.

The Gulf of Mexico began to form during the ____ ____ as North America separated from ____.

Ammonites of the Mesozoic were characterized by a very ____.

The Franciscan Group rocks are a chaotic assemblage because they ____.

Rudists bivalves were an important component of the Mesozoic reef community.

The breakup of Pangaea began during the ____________________ Period and continued through the ____________________ Period.

Most of the burrowing organisms of the Mesozoic marine community were soft-bodied animals.

The distinctive sedimentary rocks that were deposited in the early-formed Gulf of Mexico were ____________________.

One of the most productive dinosaur fossil stratigraphic horizons is the Triassic Newark Group.

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.

More species went extinct at the end of the Permian than at the end of the Mesozoic.

The common ancestor of modern marsupials and placental mammals were the ____________________.

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 Earth's Interior

Deformation,Mountain Building,and Earth'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

Geology in Perspective

Filters

The general term "Cordilleran orogeny" is applied collectively to a series of individual mountain building episodes known as the ,,and orogenies.

The Gulf of Mexico began to form during the as North America separated from .

The breakup of Pangaea began during the Period and continued through the Period.