Question 1

The region of the mantle below the crust is called:

Accepted Answer

A)  the asthenosphere. 
B)  the mantle. 
C)  the lithosphere. 
D)  the outer core. 
A)  the asthenosphere. 
B)  the mantle. 
C)  the lithosphere. 
D)  the outer core.

Question 2

Describe at least 3 lines of evidence that support the theory of seafloor spreading and continental drift.

Accepted Answer

The most obvious evidence in support of

Question 3

The first person to describe the mechanism of seafloor spreading by which continents drifted apart from one another was:

Accepted Answer

A)  Sir Francis Bacon. 
B)  Alfred Wegener. 
C)  Harry Hess. 
D)  Edward Suess. 
E)  Charles Darwin. 
A)  Sir Francis Bacon. 
B)  Alfred Wegener. 
C)  Harry Hess. 
D)  Edward Suess. 
E)  Charles Darwin.

Question 4

The source of the water that formed the earth's oceans was water vapor escaping from the interior of the planet.

Accepted Answer

A) True 
 B)False

Question 5

Match the characteristic with the most closely associated earth layer.
-Inner Core

Accepted Answer

A) dense, hot, rich in iron and nickel 
B) granite or basalt 
C) magnesium - iron silicates 
A) dense, hot, rich in iron and nickel 
B) granite or basalt 
C) magnesium - iron silicates

Question 6

One nautical mile equals one degree of latitude.

Accepted Answer

A) True 
 B)False

Question 7

A small area more or less landlocked is called:

Accepted Answer

A)  the seven seas. 
B)  a world ocean. 
C)  an ocean. 
D)  a sea. 
E)  a marine province. 
A)  the seven seas. 
B)  a world ocean. 
C)  an ocean. 
D)  a sea. 
E)  a marine province.

Question 8

Match the words with the most closely associated term.
-Ridges

Accepted Answer

A) deep crevices in the ocean floor 
B) continuous series of large, underwater, volcanic mountains 
C) associated with trenches 
A) deep crevices in the ocean floor 
B) continuous series of large, underwater, volcanic mountains 
C) associated with trenches

Question 9

Sediments that are formed from seawater as a result of a variety of chemical processes are called:

Accepted Answer

A)  cosmogenous. 
B)  hydrogenous. 
C)  organic.. 
D)  biogenous. 
E)  terrigenous. 
A)  cosmogenous. 
B)  hydrogenous. 
C)  organic.. 
D)  biogenous. 
E)  terrigenous.

Question 10

Using your knowledge of the age of lithospheric crusts and biogenous sediment accumulation, explain why it would be fruitless, not to mention expensive, to excavate for oil far off the coast, beyond the continental shelf.

Accepted Answer

Because biogenous sediments have had les

Question 11

Match the words with the most closely associated term.
-Seamount

Accepted Answer

A) rise up from abyssal plain 
B) once above the seasurface 
C) flat expanse 
A) rise up from abyssal plain 
B) once above the seasurface 
C) flat expanse

Question 12

Midocean ridges form:

Accepted Answer

A)  anywhere in the middle of the ocean. 
B)  in subduction zones. 
C)  where oceanic crust is cracked and magma is emerging. 
D)  in deep ocean trenches. 
A)  anywhere in the middle of the ocean. 
B)  in subduction zones. 
C)  where oceanic crust is cracked and magma is emerging. 
D)  in deep ocean trenches.

Question 13

The thickest of earth's physical layers is the:

Accepted Answer

A)  crust. 
B)  mantle. 
C)  inner core. 
D)  outer core. 
E)  asthenosphere. 
A)  crust. 
B)  mantle. 
C)  inner core. 
D)  outer core. 
E)  asthenosphere.

Question 14

In 1977 Dr. Robert Ballard and J.F. Grassle discovered

Accepted Answer

A)  underwater seamounts. 
B)  the midocean ridge. 
C)  the Titanic. 
D)  rift communities. 
E)  the Andrea Doria. 
A)  underwater seamounts. 
B)  the midocean ridge. 
C)  the Titanic. 
D)  rift communities. 
E)  the Andrea Doria.

Question 15

Drowned rivers help create:

Accepted Answer

A)  shelf breaks. 
B)  continental margins. 
C)  submarine canyons. 
D)  turbidity currents. 
E)  continental trenches. 
A)  shelf breaks. 
B)  continental margins. 
C)  submarine canyons. 
D)  turbidity currents. 
E)  continental trenches.

Question 16

What was the source of the water that gave rise to the oceans?

Accepted Answer

Water was locked up in the Earth in chem

Question 17

Match the words with those the most closely associated term.
-Continental slope

Accepted Answer

A) landscape change between components of the continental margin 
B) transition to the deep ocean floor 
C) shallow extensions of the continents 
D) gentle slope beyond the shelf break 
A) landscape change between components of the continental margin 
B) transition to the deep ocean floor 
C) shallow extensions of the continents 
D) gentle slope beyond the shelf break

Question 18

The following are all main points of the article Animal Sculptors of the Seafloor except:

Accepted Answer

A)  Gray whales feed in a way that preserves habitat of their prey 
B)  Biological activities can alter large expanses of seafloor. 
C)  The previous ideas about the feeding biology of large marine mammals were refined. 
D)  Feeding activities enhance the area's productivity. 
E)  Walruses overgrazed clam beds, causing environmental collapse. 
A)  Gray whales feed in a way that preserves habitat of their prey 
B)  Biological activities can alter large expanses of seafloor. 
C)  The previous ideas about the feeding biology of large marine mammals were refined. 
D)  Feeding activities enhance the area's productivity. 
E)  Walruses overgrazed clam beds, causing environmental collapse.

Question 19

Match the layer with its most closely associated description.
-Crust

Accepted Answer

A) liquid mantle 
B) upper mantle and crust 
C) floats on the mantle 
A) liquid mantle 
B) upper mantle and crust 
C) floats on the mantle

Question 20

What makes rift communities unique?

Accepted Answer

Rift communities are unique because they

The region of the mantle below the crust is called:

Describe at least 3 lines of evidence that support the theory of seafloor spreading and continental drift.

The first person to describe the mechanism of seafloor spreading by which continents drifted apart from one another was:

The source of the water that formed the earth's oceans was water vapor escaping from the interior of the planet.

Match the characteristic with the most closely associated earth layer. -Inner Core

One nautical mile equals one degree of latitude.

A small area more or less landlocked is called:

Match the words with the most closely associated term. -Ridges

Sediments that are formed from seawater as a result of a variety of chemical processes are called:

Using your knowledge of the age of lithospheric crusts and biogenous sediment accumulation, explain why it would be fruitless, not to mention expensive, to excavate for oil far off the coast, beyond the continental shelf.

Match the words with the most closely associated term. -Seamount

Midocean ridges form:

The thickest of earth's physical layers is the:

In 1977 Dr. Robert Ballard and J.F. Grassle discovered

Drowned rivers help create:

What was the source of the water that gave rise to the oceans?

Match the words with those the most closely associated term. -Continental slope

The following are all main points of the article Animal Sculptors of the Seafloor except:

Match the layer with its most closely associated description. -Crust

What makes rift communities unique?

Science and Marine Biology

Fundamentals of Ecology

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 3: Geology of the Ocean

The region of the mantle below the crust is called:

Describe at least 3 lines of evidence that support the theory of seafloor spreading and continental drift.

The first person to describe the mechanism of seafloor spreading by which continents drifted apart from one another was:

The source of the water that formed the earth's oceans was water vapor escaping from the interior of the planet.

Match the characteristic with the most closely associated earth layer. -Inner Core

One nautical mile equals one degree of latitude.

A small area more or less landlocked is called:

Match the words with the most closely associated term. -Ridges

Sediments that are formed from seawater as a result of a variety of chemical processes are called:

Using your knowledge of the age of lithospheric crusts and biogenous sediment accumulation, explain why it would be fruitless, not to mention expensive, to excavate for oil far off the coast, beyond the continental shelf.

Match the words with the most closely associated term. -Seamount

Midocean ridges form:

The thickest of earth's physical layers is the:

In 1977 Dr. Robert Ballard and J.F. Grassle discovered

Drowned rivers help create:

What was the source of the water that gave rise to the oceans?

Match the words with those the most closely associated term. -Continental slope

The following are all main points of the article Animal Sculptors of the Seafloor except:

Match the layer with its most closely associated description. -Crust

What makes rift communities unique?

Science and Marine Biology

Fundamentals of Ecology

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters