Question 1

In Rodinia,a well-documented Precambrian supercontinent,________.

Accepted Answer

A) there is no evidence of North America 
B) North America was the last collision in the formation of the supercontinent 
C) North America and South America made up one continuous fragment 
D) North America was located near the center of the supercontinent 
E) the Rocky Mountains were located to the south of the North American craton 
A) there is no evidence of North America 
B) North America was the last collision in the formation of the supercontinent 
C) North America and South America made up one continuous fragment 
D) North America was located near the center of the supercontinent 
E) the Rocky Mountains were located to the south of the North American craton

Question 2

Scientists have found evidence that life existed at least 3.5 billion years ago ________.

Accepted Answer

A) in northern Siberia 
B) on the Gulf Coast 
C) throughout North and South America 
D) in Kenya 
E) in several locations around the world 
A) in northern Siberia 
B) on the Gulf Coast 
C) throughout North and South America 
D) in Kenya 
E) in several locations around the world

Question 3

On each continent,large "core areas" of Precambrian rocks,called ________,dominate the surface.

Accepted Answer

The answer of On each continent,large "core areas" of Precambrian...

Question 4

The rock formations of the ________ era are more widespread and less disturbed than those of any other time.

Accepted Answer

The answer of The rock formations of the ________ era...

Question 5

Examine Figure 12.12 below which illustrates the distribution of cratons and orogens (mountain belts)on Earth today.Briefly discuss how have these regions have developed over time using the concept of plate tectonics.Include the relationship between specific types of plate boundaries to the various regions if possible.

Accepted Answer

Each of the orogenies can be a

Question 6

Evidence that Gondwana formed near the South Pole include ________.

Accepted Answer

A) paleomagnetic data from the region 
B) identification of cold temperature mammals 
C) penguin fossils 
D) evidence of continental glaciation 
A) paleomagnetic data from the region 
B) identification of cold temperature mammals 
C) penguin fossils 
D) evidence of continental glaciation

Question 7

The most common Precambrian rock type is ________ rock.

Accepted Answer

The answer of The most common Precambrian rock type is...

Question 8

Western North America is the leading edge of the ________ plate.

Accepted Answer

The answer of Western North America is the leading edge...

Question 9

The Sun in the making is known as the ________.

Accepted Answer

The answer of The Sun in the making is known...

Question 10

Compare and contrast the patterns of life in the Paleozoic Era to the Mesozoic Era.What are the major differences between these two eras? Are there similarities or similar trends?

Accepted Answer

In the Palaeozoic li

Question 11

Some elements are released from the earth's interior to the surface through a process called ________.

Accepted Answer

The answer of Some elements are released from the earth's...

Question 12

The ________ means "the Sun in the making."

Accepted Answer

A) solar disk 
B) presun 
C) nebular Sun 
D) sol 
E) protosun 
A) solar disk 
B) presun 
C) nebular Sun 
D) sol 
E) protosun

Question 13

Banded Iron Formations are interbedded iron oxides and chert that formed on the sea floor between 3.5 and 2 billion years ago because ________.

Accepted Answer

A) iron and chert were very abundant in the early earth 
B) iron was using the oxygen produced by bacteria and chert was a common ocean deposit 
C) chert was being deposited by bacteria and iron was a common ocean deposit 
D) photosynthesis had not yet started to generate oxygen so iron and chert were the deposited on the sea floor 
E) outgassing produced both chert and iron oxide in roughly equal amounts and the oceans became saturated with them 
A) iron and chert were very abundant in the early earth 
B) iron was using the oxygen produced by bacteria and chert was a common ocean deposit 
C) chert was being deposited by bacteria and iron was a common ocean deposit 
D) photosynthesis had not yet started to generate oxygen so iron and chert were the deposited on the sea floor 
E) outgassing produced both chert and iron oxide in roughly equal amounts and the oceans became saturated with them

Question 14

Toward the end of the Mesozoic era,the ________ orogeny formed the southern ranges of the Rocky Mountains.

Accepted Answer

The answer of Toward the end of the Mesozoic era,the...

Question 15

Continental crust is formed by ________.

Accepted Answer

A) melting and differentiation of oceanic crust at subduction zones 
B) partial melting of mantle rocks 
C) plumes of hot igneous material that rise from the core-mantle boundary to form hot spots 
D) the original planetary accretion that also led to the formation of the earth's other layers 
E) recycling of material in giant lava lakes in the early earth history 
A) melting and differentiation of oceanic crust at subduction zones 
B) partial melting of mantle rocks 
C) plumes of hot igneous material that rise from the core-mantle boundary to form hot spots 
D) the original planetary accretion that also led to the formation of the earth's other layers 
E) recycling of material in giant lava lakes in the early earth history

Question 16

During the early Paleozoic era,South America,Africa,Australia,Antarctica,India,and perhaps China comprised the vast southern continent of ________.

Accepted Answer

A) Europe 
B) Laurasia 
C) Gondwanaland 
D) Antindia 
E) Pangaea 
A) Europe 
B) Laurasia 
C) Gondwanaland 
D) Antindia 
E) Pangaea

Question 17

Sea level rise can be caused by ________.

Accepted Answer

A) the formation of supercontinents 
B) rapid erosion from continents that increase the sediment load in the oceans 
C) fast seafloor spreading 
D) slow seafloor spreading 
E) slow erosion from continents that increase the size of land masses and displace water 
A) the formation of supercontinents 
B) rapid erosion from continents that increase the sediment load in the oceans 
C) fast seafloor spreading 
D) slow seafloor spreading 
E) slow erosion from continents that increase the size of land masses and displace water

Question 18

The slight eastward slope of the Great Plains was created during the Cenozoic by ________.

Accepted Answer

A) uplift of the western U.S.due to the formation of the Rocky Mountains 
B) uplift of the western U.S.due to volcanic activity 
C) deposition of sediments shed from the eroding Rocky Mountains 
D) uplift of the expanding Basin and Range Province 
E) tilting of the U.S.because of sediment deposited on the trailing edge of the plate 
A) uplift of the western U.S.due to the formation of the Rocky Mountains 
B) uplift of the western U.S.due to volcanic activity 
C) deposition of sediments shed from the eroding Rocky Mountains 
D) uplift of the expanding Basin and Range Province 
E) tilting of the U.S.because of sediment deposited on the trailing edge of the plate

Question 19

Bacteria that thrive in oxygen free environments are called ________ bacteria.

Accepted Answer

The answer of Bacteria that thrive in oxygen free environments...

Question 20

The ________ period was the "golden age of trilobites."

Accepted Answer

The answer of The ________ period was the "golden age...

Exam 12: Earths Evolution Through Geologic Time

In Rodinia,a well-documented Precambrian supercontinent,________.

Scientists have found evidence that life existed at least 3.5 billion years ago ________.

On each continent,large "core areas" of Precambrian rocks,called ________,dominate the surface.

The rock formations of the ________ era are more widespread and less disturbed than those of any other time.

Evidence that Gondwana formed near the South Pole include ________.

The most common Precambrian rock type is ________ rock.

Western North America is the leading edge of the ________ plate.

The Sun in the making is known as the ________.

Compare and contrast the patterns of life in the Paleozoic Era to the Mesozoic Era.What are the major differences between these two eras? Are there similarities or similar trends?

Some elements are released from the earth's interior to the surface through a process called ________.

The ________ means "the Sun in the making."

Banded Iron Formations are interbedded iron oxides and chert that formed on the sea floor between 3.5 and 2 billion years ago because ________.

Toward the end of the Mesozoic era,the ________ orogeny formed the southern ranges of the Rocky Mountains.

Continental crust is formed by ________.

During the early Paleozoic era,South America,Africa,Australia,Antarctica,India,and perhaps China comprised the vast southern continent of ________.

Sea level rise can be caused by ________.

The slight eastward slope of the Great Plains was created during the Cenozoic by ________.

Bacteria that thrive in oxygen free environments are called ________ bacteria.

The ________ period was the "golden age of trilobites."

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Weathering, soil, and Mass Wasting

Running Water and Groundwater

Glaciers, deserts, and Wind

Plate Tectonics: a Scientific Revolution Unfolds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition,structure,and Temperature

Moisture, clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Weather

World Climates and Global Climate Change

Origin of Modern Astronomy

Touring Our Solar System

Light,astronomical Observations,and the Sun

Beyond Our Solar System

Filters