Deck 3: Marine Provinces

Question 1

Hydrothermal vents have a significant impact on ocean chemistry.

Answer 1

True

Question 2

Directly seaward of the continental shelf is a more steeply sloping region called the:

A)abyssal plain.
B)continental rise.
C)continental slope.
D)mid-ocean ridge.
E)trench.

Answer 2

C

Question 3

Sediments of the continental rise can exhibit characteristics similar to those formed by rivers on land.

Answer 3

True

Question 4

The method that is most frequently used to investigate sediment and rock layers of the sea floor is:

A)direct observation.
B)drilling.
C)light waves.
D)satellite observation.
E)sound waves.

Question 5

A sediment-laden current that flows off of the continental shelf is called a turbidity current.

Question 6

The correct order of marine provinces from the coast to the mid-ocean ridge is:

A)abyssal plain,rise,slope,shelf.
B)abyssal plain,shelf,slope,rise.
C)rise,abyssal plain,slope,shelf.
D)shelf,slope,rise,abyssal plain.
E)slope,rise,shelf,abyssal plain.

Question 7

Seamounts form from ancient tablemounts.

Question 8

Satellites are used to map the ocean floor because they:

A)are unaffected by surface weather.
B)can cover areas where ships have not produced surveys.
C)can "see" large areas of the seafloor at one time.
D)the shape of the ocean surface itself reflects large features on the seafloor below.
E)All of the above statements are correct.

Question 9

Mid-ocean ridges are rises occupy a small portion of the deep ocean basin,only around 10%.

Question 10

The deepest portions of the ocean are part of the relatively narrow features called submarine canyons.

Question 11

Passive continental margins are characterized by all of the following except:

A)broad continental shelf.
B)deep-sea trenches.
C)shallow coastal waters.
D)thick sediment accumulation.
E)very little volcanic and earthquake activity.

Question 12

The two relatively flat areas on the hypsometric curve represent:

A)continental mountains and abyssal plains.
B)continental mountains and mid-ocean ridges.
C)continental slopes and deep-sea trenches.
D)some interior continental areas/ coastal plains and abyssal plains.
E)some interior continental areas/ coastal plains and mid-ocean ridges.

Question 13

Characteristics of active continental margins include all of the following except:

A)broad continental shelf.
B)chains of islands.
C)deep-sea trenches.
D)thin sediment accumulation.
E)volcanic and earthquake activity.

Question 14

Due to the very harsh environment,few organisms are found in association with hydrothermal vents.

Question 15

Subduction zones appear to remain nearly stationary over long periods of time.

Question 16

Trenches change their position over time.

Question 17

All of the following are considered part of the continental margin except the:

A)continental rise.
B)continental shelf.
C)continental slope.
D)fracture zone.
E)submarine canyon.

Question 18

Abyssal plains are more extensive on the floor of the Atlantic as compared those on the floor of the Pacific

Question 19

The sea floor feature in the figure is most likely a result of:

A)pillow lava.
B)submarine fans.
C)turbidity currents.
D)underwater boundary currents.
E)volcanic activity.

Question 20

Refer to the below.Use the labeled features on the Figure to answer questions

Tablemounts are the features labeled:

A)1.
B)2.
C)3.
D)4.
E)5.

Question 21

Refer to the below.Use the labeled features on the Figure to answer questions

Wave action and plate movement are significant factors in the formation of the feature labeled:

A)1.
B)2.
C)3.
D)4.
E)5.

Question 22

New lithosphere is produced in association with:

A)deep-sea trenches.
B)fracture zones.
C)hydrothermal vents.
D)mid-ocean ridges.
E)transform faults.

Question 23

Old lithosphere is destroyed in association with:

A)deep-sea trenches
B)fracture zones
C)hydrothermal vents
D)mid-ocean ridges
E)spreading centers.

Question 24

Abyssal hills are only visible in the Pacific Ocean because:

A)sediment has covered those found in the other ocean basins.
B)there are none in the Atlantic and Indian ocean basins.
C)they are higher in the Pacific than in the other ocean basins
D)they have been destroyed in active plate margins.
E)turbidity currents have eroded abyssal hills in the other ocean basins.

Question 25

Submarine canyons were most likely formed by

A)deposition of terrestrial sediment.
B)earthquake activity.
C)erosion by major rivers in the past.
D)erosion by turbidity currents.
E)scouring by glacier during the last ice age.

Question 26

Refer to the below.Use the labeled features on the Figure to answer questions

Seamounts are the feature labeled:

A)1.
B)2.
C)3.
D)4.
E)5.

Question 27

The direction of motion along a seafloor transform fault is:

A)associated with turbidity currents.
B)in the same direction as the plates are spreading.
C)in the same direction as the ridge offset.
D)influenced by underwater boundary currents.
E)perpendicular to the direction of plate movement.

Question 28

These organisms are most likely found in:

A)abyssal hills.
B)cold seeps.
C)hydrothermal vents.
D)submarine canyons.
E)trenches.

Question 29

Warm-water hydrothermal vents form:

A)abyssal hills.
B)black smokers.
C)cold seeps.
D)turbidity currents.
E)white smokers.

Question 30

Continental rises are formed:

A)as a result of the slow accumulation of sediments from the water column.
B)by many deep sea fans.
C)in association with hydrothermal vents
D)next to submarine canyons.
E)on the flank of a mid-ocean ridge.

Question 31

The most gradual change in slope in the ocean can be found at the:

A)abyssal plain.
B)continental rise.
C)continental shelf.
D)deep ocean trench.
E)mid-ocean ridge.

Question 32

The most rapid change in slope in the ocean is found at the:

A)abyssal plain.
B)continental slope.
C)oceanic trench.
D)submarine canyon.
E)volcanic seamount.

Question 33

With respect to mid-ocean ridges,transform faults are:

A)associated with hydrothermal vents.
B)located in submarine canyons.
C)parallel to the direction of plate movement.
D)parallel to the rift valley.
E)perpendicular to the ridge axis.