Question 1

Carbonate sediments are rare in deep sea sediments because the .

Accepted Answer

A)  organisms providing shells do not live in the deep sea 
B)  abundance of muds and clays cover the carbonate shells 
C)  carbonate shells are dissolved in deep water 
D)  organisms do not live beyond the edge of the continental shelf 
A)  organisms providing shells do not live in the deep sea 
B)  abundance of muds and clays cover the carbonate shells 
C)  carbonate shells are dissolved in deep water 
D)  organisms do not live beyond the edge of the continental shelf

Question 2

The apron of accumulated sediment at the base of the continental slope is known as the .

Accepted Answer

A)  continental rise 
B)  abyssal hills 
C)  abyssal plains 
D)  mid-ocean mountains 
A)  continental rise 
B)  abyssal hills 
C)  abyssal plains 
D)  mid-ocean mountains

Question 3

What term refers to the depth in the ocean where the rate at which calcareous sediments supplied to the seabed equals the rate at which those sediments dissolve?

Accepted Answer

A)  calcium carbonate compensation depth 
B)  calcium dissolution depth 
C)  calcium carbonate pressure point 
D)  carbonate equalization depth 
A)  calcium carbonate compensation depth 
B)  calcium dissolution depth 
C)  calcium carbonate pressure point 
D)  carbonate equalization depth

Question 4

Guyots are often formed near spreading centers.

Accepted Answer

A) True 
 B)False

Question 5

A depression along the boundary of a seamount where sediment has built-up is a(n) .

Accepted Answer

A)  scour moat 
B)  guyot 
C)  island arc 
D)  abyssal plain 
A)  scour moat 
B)  guyot 
C)  island arc 
D)  abyssal plain

Question 6

Submarine canyons .

Accepted Answer

A)  always run parallel to the coastline 
B)  are typically small in size 
C)  are never located just offshore of the mouth of a river 
D)  cut into the continental shelf and slope, often terminating on the deep seafloor 
A)  always run parallel to the coastline 
B)  are typically small in size 
C)  are never located just offshore of the mouth of a river 
D)  cut into the continental shelf and slope, often terminating on the deep seafloor

Question 7

Hydrothermal vents are located near .

Accepted Answer

A)  passive continental margins 
B)  zones of rapid seafloor spreading 
C)  the edges of the deep sea trenches 
D)  the margins of the Hawai'ian chain 
A)  passive continental margins 
B)  zones of rapid seafloor spreading 
C)  the edges of the deep sea trenches 
D)  the margins of the Hawai'ian chain

Question 8

Which statement most accurately describes how the continental rise is formed?

Accepted Answer

A)  from the convergence of oceanic plates at active continental margins 
B)  from  volcanic activity at active continental margins 
C)  from  the accumulation of sediments at the base of the continental slope 
D)  from  sedimentation surrounding spreading centers 
A)  from the convergence of oceanic plates at active continental margins 
B)  from  volcanic activity at active continental margins 
C)  from  the accumulation of sediments at the base of the continental slope 
D)  from  sedimentation surrounding spreading centers

Question 9

An example of a siliceous ooze are those formed from radiolarian shells.

Accepted Answer

A) True 
 B)False

Question 10

Which sediments arrive in the ocean from continents via wind and water?

Accepted Answer

A)  terrigenous sediments 
B)  biogenous sediments 
C)  hydrogenous (or authigenic) sediments 
D)  cosmogenous sediments 
A)  terrigenous sediments 
B)  biogenous sediments 
C)  hydrogenous (or authigenic) sediments 
D)  cosmogenous sediments

Carbonate sediments are rare in deep sea sediments because the .

The apron of accumulated sediment at the base of the continental slope is known as the .

What term refers to the depth in the ocean where the rate at which calcareous sediments supplied to the seabed equals the rate at which those sediments dissolve?

Guyots are often formed near spreading centers.

A depression along the boundary of a seamount where sediment has built-up is a(n) .

Submarine canyons .

Hydrothermal vents are located near .

Which statement most accurately describes how the continental rise is formed?

An example of a siliceous ooze are those formed from radiolarian shells.

Which sediments arrive in the ocean from continents via wind and water?

An Ocean World

Plate Tectonics

Water and Ocean Structure

Atmospheric Circulation

Ocean Circulation

Waves and Tides

Coasts

Life in the Ocean

Marine Communities

Uses and Abuses of the Ocean

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Exam 3: The Ocean Floor

Carbonate sediments are rare in deep sea sediments because the .

The apron of accumulated sediment at the base of the continental slope is known as the .

What term refers to the depth in the ocean where the rate at which calcareous sediments supplied to the seabed equals the rate at which those sediments dissolve?

Guyots are often formed near spreading centers.

A depression along the boundary of a seamount where sediment has built-up is a(n) .

Submarine canyons .

Hydrothermal vents are located near .

Which statement most accurately describes how the continental rise is formed?

An example of a siliceous ooze are those formed from radiolarian shells.

Which sediments arrive in the ocean from continents via wind and water?

An Ocean World

Plate Tectonics

Water and Ocean Structure

Atmospheric Circulation

Ocean Circulation

Waves and Tides

Coasts

Life in the Ocean

Marine Communities

Uses and Abuses of the Ocean

Filters