Question 1

During what time period did dinosaurs roam the Earth? What is the accepted theory for why they went extinct?

Accepted Answer

Dinosaurs lived during the Mesozoic Era....

Question 2

The Alps,the Himalayas,the Cordillera,and the Andes are mountain belts that resulted from orogenic events during the

Accepted Answer

A)   Triassic Period.
B)   Cenozoic Era.
C)   Devonian Period.
D)   Mesozoic Era.

Question 3

The enigmatic fossils of multicellular organisms that arose during the end of the Proterozoic Eon are known as the _______ fauna.

Accepted Answer

A)   Eukaryotic
B)   Cyanobacterial
C)   Ediacaran
D)   Pangaean

Question 4

The cratonic platform of North America is

Accepted Answer

A)   a low-lying region where Precambrian rocks crop out.
B)   a low-lying region where Precambrian rocks are covered by Phanerozoic sedimentary strata.
C)   a region of compressed rock located behind a volcanic arc at a convergent continental margin.
D)   a low-lying region of oceanic crust surrounded by Proterozoic crustal blocks.

Question 5

An iridium-rich layer of clay,glass spherules,and shocked quartz grains strongly suggests that the K-T boundary extinctions were at least in part caused by

Accepted Answer

A)   a long trend of global warming.
B)   a long trend of global cooling.
C)   worldwide explosive volcanism.
D)   the impact of a bolide (meteoroid or comet) .

Question 6

The Phanerozoic Eon,with its widespread shelly fossils similar to groups of marine organisms living today,began in

Accepted Answer

A)   1.8 Ga.
B)   541 Ma.
C)   750 Ma.
D)   65 Ma.

Question 7

The Himalayas were produced during the Cenozoic by the collision of Southern Asia with

Accepted Answer

A)   India.
B)   Australia.
C)   Africa.
D)   South America.

Question 8

Chalk rock containing fossils of algae and tropical sea creatures is found in southern England and other locations in Europe.What does this tell us about the past environment of that region of the world?

Accepted Answer

A)   that rivers once cut through a landscape that is now a shallow ocean
B)   that fossils in Europe poorly represent the environmental conditions where they are deposited
C)   that what is now dry land was once covered by a warm,shallow sea
D)   that much of Western Europe was once a vast desert

Question 9

The earliest known complex,multicellular life forms originated toward the end of the

Accepted Answer

A)   Archean Eon.
B)   Proterozoic Eon.
C)   Paleozoic Era.
D)   Cenozoic Era.

Question 10

The Mesozoic Era is a time in the Earth's history when

Accepted Answer

A)   the first abundant shelly organisms appeared in the fossil record.
B)   the Earth's interior was so hot that a solid outer crust,if present,was likely being extensively remelted.
C)   stable continental interiors,termed cratons,first formed.
D)   the dinosaurs appeared and came to dominate large-scale terrestrial life.

Question 11

Humans belong to a lineage of mammals called the

Accepted Answer

A)   carnivores.
B)   primates.
C)   odd-toed ungulates.
D)   edentates.

Question 12

The Late Heavy Bombardment at the end of the Hadean Eon was a time of

Accepted Answer

A)   formation of the earliest continental crust.
B)   extensive basaltic volcanism.
C)   intense meteorite impacts.
D)   frequent high-magnitude earthquakes.

Question 13

Archean plate tectonics resulted in collisions and suturing of volcanic arcs,oceanic basalt plateaus,and rifts into buoyant crustal blocks called

Accepted Answer

A)   mantle plumes.
B)   subduction zones.
C)   greenstone belts.
D)   protocontinents.

Question 14

Why are rocks formed before 3.85 Ga so rare?

Accepted Answer

It is likely that the late heavy bombard...

Question 15

The earliest known rocks that are silica-rich (felsic and intermediate) date to the

Accepted Answer

A)   Hadean Eon.
B)   Archean Eon.
C)   Proterozoic Eon.
D)   Phanerozoic Eon.

Question 16

The Cambrian explosion not only produced an abundance of new animal species but also gave rise to the first shells,spines,and active swimmers.This suggests the important influence of ________ in driving animal evolution.

Accepted Answer

A)   photosynthetic organisms
B)   climate
C)   carnivorous predators
D)   filter-feeding organisms

Question 17

How does the cause of end-Permian mass extinction compare with the K-Pg extinction event? In which did more species go extinct?

Accepted Answer

The K-Pg event seems more dramatic in th...

Question 18

What is meant by the term "Snowball Earth?" What period of time in the Earth's history does this refer to,and what were conditions like at this time? Support your answer with evidence.

Accepted Answer

Near the end of the Proterozoic Eon,radi...

Question 19

Dinosaurs first appeared during the ________ Period.

Accepted Answer

A)   Cambrian
B)   Devonian
C)   Permian
D)   Triassic

Exam 11: A Biography of the Earth

The cratonic platform of North America is

Correct Answer
verified

The Himalayas were produced during the Cenozoic by the collision of Southern Asia with

Correct Answer
verified

The enigmatic fossils of multicellular organisms that arose during the end of the Proterozoic Eon are known as the _______ fauna.

Correct Answer
verified

Archean plate tectonics resulted in collisions and suturing of volcanic arcs,oceanic basalt plateaus,and rifts into buoyant crustal blocks called

Correct Answer
verified

The Phanerozoic Eon,with its widespread shelly fossils similar to groups of marine organisms living today,began in

Correct Answer
verified

The earliest known complex,multicellular life forms originated toward the end of the

Correct Answer
verified

Why are rocks formed before 3.85 Ga so rare?

Correct Answer
verified
It is likely that the late heavy bombard...
View Answer

An iridium-rich layer of clay,glass spherules,and shocked quartz grains strongly suggests that the K-T boundary extinctions were at least in part caused by

Correct Answer
verified

The Alps,the Himalayas,the Cordillera,and the Andes are mountain belts that resulted from orogenic events during the

Correct Answer
verified

Chalk rock containing fossils of algae and tropical sea creatures is found in southern England and other locations in Europe.What does this tell us about the past environment of that region of the world?

Correct Answer
verified

The Mesozoic Era is a time in the Earth's history when

Correct Answer
verified

During what time period did dinosaurs roam the Earth? What is the accepted theory for why they went extinct?

Correct Answer
verified
Dinosaurs lived during the Mesozoic Era....
View Answer

The Cambrian explosion not only produced an abundance of new animal species but also gave rise to the first shells,spines,and active swimmers.This suggests the important influence of ________ in driving animal evolution.

Correct Answer
verified

The Late Heavy Bombardment at the end of the Hadean Eon was a time of

Correct Answer
verified

Dinosaurs first appeared during the ________ Period.

Correct Answer
verified

Humans belong to a lineage of mammals called the

Correct Answer
verified

How does the cause of end-Permian mass extinction compare with the K-Pg extinction event? In which did more species go extinct?

Correct Answer
verified
The K-Pg event seems more dramatic in th...
View Answer

The earliest known rocks that are silica-rich (felsic and intermediate) date to the

Correct Answer
verified

What is meant by the term "Snowball Earth?" What period of time in the Earth's history does this refer to,and what were conditions like at this time? Support your answer with evidence.

Correct Answer
verified
Near the end of the Proterozoic Eon,radi...
View Answer

Exam 11: A Biography of the Earth

The cratonic platform of North America is

Correct AnswerverifiedShow Answer

The Himalayas were produced during the Cenozoic by the collision of Southern Asia with

Correct AnswerverifiedShow Answer

The enigmatic fossils of multicellular organisms that arose during the end of the Proterozoic Eon are known as the _______ fauna.

Correct AnswerverifiedShow Answer

Archean plate tectonics resulted in collisions and suturing of volcanic arcs,oceanic basalt plateaus,and rifts into buoyant crustal blocks called

Correct AnswerverifiedShow Answer

The Phanerozoic Eon,with its widespread shelly fossils similar to groups of marine organisms living today,began in

Correct AnswerverifiedShow Answer

The earliest known complex,multicellular life forms originated toward the end of the

Correct AnswerverifiedShow Answer

Why are rocks formed before 3.85 Ga so rare?

Correct AnswerverifiedIt is likely that the late heavy bombard...View AnswerShow Answer

An iridium-rich layer of clay,glass spherules,and shocked quartz grains strongly suggests that the K-T boundary extinctions were at least in part caused by

Correct AnswerverifiedShow Answer

The Alps,the Himalayas,the Cordillera,and the Andes are mountain belts that resulted from orogenic events during the

Correct AnswerverifiedShow Answer

Chalk rock containing fossils of algae and tropical sea creatures is found in southern England and other locations in Europe.What does this tell us about the past environment of that region of the world?

Correct AnswerverifiedShow Answer

The Mesozoic Era is a time in the Earth's history when

Correct AnswerverifiedShow Answer

During what time period did dinosaurs roam the Earth? What is the accepted theory for why they went extinct?

Correct AnswerverifiedDinosaurs lived during the Mesozoic Era....View AnswerShow Answer

The Cambrian explosion not only produced an abundance of new animal species but also gave rise to the first shells,spines,and active swimmers.This suggests the important influence of ________ in driving animal evolution.

Correct AnswerverifiedShow Answer

The Late Heavy Bombardment at the end of the Hadean Eon was a time of

Correct AnswerverifiedShow Answer

Dinosaurs first appeared during the ________ Period.

Correct AnswerverifiedShow Answer

Humans belong to a lineage of mammals called the

Correct AnswerverifiedShow Answer

How does the cause of end-Permian mass extinction compare with the K-Pg extinction event? In which did more species go extinct?

Correct AnswerverifiedThe K-Pg event seems more dramatic in th...View AnswerShow Answer

The earliest known rocks that are silica-rich (felsic and intermediate) date to the

Correct AnswerverifiedShow Answer

What is meant by the term "Snowball Earth?" What period of time in the Earth's history does this refer to,and what were conditions like at this time? Support your answer with evidence.

Correct AnswerverifiedNear the end of the Proterozoic Eon,radi...View AnswerShow Answer

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It is likely that the late heavy bombard...
View Answer

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verified

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Correct Answer
verified
Dinosaurs lived during the Mesozoic Era....
View Answer

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verified

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Correct Answer
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verified
The K-Pg event seems more dramatic in th...
View Answer

Correct Answer
verified

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verified
Near the end of the Proterozoic Eon,radi...
View Answer