Question 1

The marine fauna that repopulated the oceans after the Permian extinction was more diverse than the Paleozoic marine fauna.

Accepted Answer

A) True 
 B)False

Question 2

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 3

The first Mesozoic mammals were very distinctive from their ancestral reptiles.

Accepted Answer

A) True 
 B)False

Question 4

What are terranes? How are they recognized? What role did accretion of terranes play in the growth of western North America?

Accepted Answer

Small accreted lithospheric blocks, call

Question 5

At the end of the Mesozoic, large _____ were taking place in what is now India.

Accepted Answer

A) mass extinctions 
B) outpourings of lava 
C) meteor impacts 
D) transgressions 
E) regressions 
A) mass extinctions 
B) outpourings of lava 
C) meteor impacts 
D) transgressions 
E) regressions

Question 6

Pangaea persisted as a single unit throughout most of the _______________.

Accepted Answer

The answer of Pangaea persisted as a single unit throughout...

Question 7

Explain why increased seafloor spreading, resulting in higher heat flow and an increase and rapid expansion in oceanic ridges during the Cretaceous, result in worldwide transgression onto the continents.

Accepted Answer

Increased seafloor spreading and higher

Question 8

How distinct were Mesozoic mammals from their reptile neighbors?

Accepted Answer

Most Mesozoic mammals had both

Question 9

Based on the occurrence of dinosaur fossils in the Morrison Formation, what can you conclude about the depositional environment of the unit?

Accepted Answer

The depositional env

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

Mesozoic age coal deposits in the United States are the primary source of coal in this country.

Accepted Answer

A) True 
 B)False

Question 12

Cretaceous reefs of the Gulf Coastal region make excellent _______________.

Accepted Answer

petroleum

Question 13

Continental growth ____.

Accepted Answer

A) occurs faster at passive margins 
B) occurs faster along active margins 
C) occurs mostly by reworked older continental material 
D) occurs mostly by orogenesis 
E) is currently nonexistent 
A) occurs faster at passive margins 
B) occurs faster along active margins 
C) occurs mostly by reworked older continental material 
D) occurs mostly by orogenesis 
E) is currently nonexistent

Question 14

What are the major classes of Mesozoic mollusks?

Accepted Answer

A) ammonites, brachiopods, and cephalopods 
B) gastropods, ammonites, and brachiopods 
C) bivalves, cephalopods, and ammonites 
D) trilobites, brachiopods, and ammonites 
E) gastropods, bivalves, and cephalopods 
A) ammonites, brachiopods, and cephalopods 
B) gastropods, ammonites, and brachiopods 
C) bivalves, cephalopods, and ammonites 
D) trilobites, brachiopods, and ammonites 
E) gastropods, bivalves, and cephalopods

Question 15

The earliest mammals had a single line of descent into the monotremes, which are the ancestors for all modern mammals.

Accepted Answer

A) True 
 B)False

Question 16

Some dinosaur bones have numerous passageways for blood vessels, suggesting that they ____.

Accepted Answer

A) were endothermic 
B) were exothermic 
C) were juvenile bones 
D) were adult bones 
E) died catastrophically 
A) were endothermic 
B) were exothermic 
C) were juvenile bones 
D) were adult bones 
E) died catastrophically

Question 17

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 18

The giant batholiths of the Sierra, Idaho, and Coast Range were emplaced during which orogeny?

Accepted Answer

A) Sevier orogeny 
B) Nevadan orogeny 
C) Sonoma orogeny 
D) Laramide orogeny 
E) Allegheny orogeny 
A) Sevier orogeny 
B) Nevadan orogeny 
C) Sonoma orogeny 
D) Laramide orogeny 
E) Allegheny orogeny

Question 19

At some Cretaceous-Paleogene boundary sites, the impact hypothesis is supported by the existence of ____.

Accepted Answer

A) high concentrations of platinum 
B) shock-metamorphosed quartz grains 
C) dinosaur fossils 
D) the absence of dinosaur fossils 
E) high concentrations of volcanic rocks 
A) high concentrations of platinum 
B) shock-metamorphosed quartz grains 
C) dinosaur fossils 
D) the absence of dinosaur fossils 
E) high concentrations of volcanic rocks

Question 20

Geologists have a very good record of the breakup of Pangaea because of ____.

Accepted Answer

A) extensive guide fossils 
B) preservation of the continental crust from the Mesozoic 
C) the high rate of seafloor spreading during the Mesozoic 
D) extensive evaporite deposits 
E) magnetic anomalies preserved in oceanic crust 
A) extensive guide fossils 
B) preservation of the continental crust from the Mesozoic 
C) the high rate of seafloor spreading during the Mesozoic 
D) extensive evaporite deposits 
E) magnetic anomalies preserved in oceanic crust

Exam 22: Mesozoic Earth and Life History

The marine fauna that repopulated the oceans after the Permian extinction was more diverse than the Paleozoic marine fauna.

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

The first Mesozoic mammals were very distinctive from their ancestral reptiles.

What are terranes? How are they recognized? What role did accretion of terranes play in the growth of western North America?

At the end of the Mesozoic, large _____ were taking place in what is now India.

Pangaea persisted as a single unit throughout most of the _______________.

Explain why increased seafloor spreading, resulting in higher heat flow and an increase and rapid expansion in oceanic ridges during the Cretaceous, result in worldwide transgression onto the continents.

How distinct were Mesozoic mammals from their reptile neighbors?

Based on the occurrence of dinosaur fossils in the Morrison Formation, what can you conclude about the depositional environment of the unit?

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

Mesozoic age coal deposits in the United States are the primary source of coal in this country.

Cretaceous reefs of the Gulf Coastal region make excellent _______________.

Continental growth ____.

What are the major classes of Mesozoic mollusks?

The earliest mammals had a single line of descent into the monotremes, which are the ancestors for all modern mammals.

Some dinosaur bones have numerous passageways for blood vessels, suggesting that they ____.

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

The giant batholiths of the Sierra, Idaho, and Coast Range were emplaced during which orogeny?

At some Cretaceous-Paleogene boundary sites, the impact hypothesis is supported by the existence of ____.

Geologists have a very good record of the breakup of Pangaea because of ____.

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

Filters

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