Question 1

Hypersaline seep communities rely on photosynthesis.

Accepted Answer

A) True 
 B)False  False

Question 2

Organisms that live in the spaces between sediment particles are called:

Accepted Answer

A)  epifauna 
B)  microfauna 
C)  meiofauna 
D)  mesofauna 
E)  subfauna. 
A)  epifauna 
B)  microfauna 
C)  meiofauna 
D)  mesofauna 
E)  subfauna. C

Question 3

Which of the following factors does not limit coral growth?

Accepted Answer

A)  high concentrations of calcium carbonate in the water 
B)  high sediment load in the water 
C)  low light 
D)  low nitrogen and phosphorus levels in the water 
E)  water temperatures below 18ºC 
A)  high concentrations of calcium carbonate in the water 
B)  high sediment load in the water 
C)  low light 
D)  low nitrogen and phosphorus levels in the water 
E)  water temperatures below 18ºC A

Question 4

Fiddler crabs are commonly found inhabitants of tide pools.

Accepted Answer

A) True 
 B)False

Question 5

List and describe the animal adaptations employed by animals living on a sandy beach (intertidal zone).

Accepted Answer

Animals living on a sandy beach in the i

Question 6

Some organisms living in the high water portion of the intertidal zone cannot survive in the supralittoral zone because they:

Accepted Answer

A)  are filter feeders. 
B)  are sessile. 
C)  cannot tolerate desiccation. 
D)  cannot tolerate fluctuating salinity. 
E)  cannot tolerate temperature fluctuations. 
A)  are filter feeders. 
B)  are sessile. 
C)  cannot tolerate desiccation. 
D)  cannot tolerate fluctuating salinity. 
E)  cannot tolerate temperature fluctuations.

Question 7

One characteristic of hydrothermal vent communities is unusually large organisms such as tubeworms and clams.

Accepted Answer

A) True 
 B)False

Question 8

Hydrocarbon seeps have been discovered :

Accepted Answer

A)  along the Galapagos Ridge. 
B)  along the Mid-Atlantic Ridge. 
C)  in the Gulf of California. 
D)  in the Gulf of Mexico. 
E)  in the Indian Ocean. 
A)  along the Galapagos Ridge. 
B)  along the Mid-Atlantic Ridge. 
C)  in the Gulf of California. 
D)  in the Gulf of Mexico. 
E)  in the Indian Ocean.

Question 9

Meiofauna are small organisms that live between sediment particles on sandy beaches.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following marine habitats has the lowest species diversity?

Accepted Answer

A)  coral reef 
B)  mangrove swamp 
C)  mud flat 
D)  rocky shore 
E)  sandy beach 
A)  coral reef 
B)  mangrove swamp 
C)  mud flat 
D)  rocky shore 
E)  sandy beach

Question 11

The three varieties of seeps on the seafloor include hypersaline, hydrocarbon and:

Accepted Answer

A)  abyssal plain seeps. 
B)  deep-sea trench seeps. 
C)  mid-ocean ridge seeps 
D)  seamount seeps. 
E)  subduction zone seeps. 
A)  abyssal plain seeps. 
B)  deep-sea trench seeps. 
C)  mid-ocean ridge seeps 
D)  seamount seeps. 
E)  subduction zone seeps.

Question 12

Match between columns
                        Premises: hermit crab
shore crab
surf grass
Fucus
acorn barnacle
buckshot barnacle
sea roach
limpet
sea anemone
mussel
Lithothamnion
sea urchin
Littorina
gooseneck barnacle
Asterias

Accepted Answer

The Answer of low water intertidal zone and middle water is...

Question 13

The sublittoral rocky bottom zone is dominated by:

Accepted Answer

A)  coralline algae. 
B)  green algae. 
C)  kelp 
D)  Thalassia. 
E)  Zostera. 
A)  coralline algae. 
B)  green algae. 
C)  kelp 
D)  Thalassia. 
E)  Zostera.

Question 14

The variables that affect species diversity of benthic animals include:

Accepted Answer

A)  currents. 
B)  organic nutrients. 
C)  temperature. 
D)  wave energy. 
E)  All of the above factors contribute to benthic animal diversity. 
A)  currents. 
B)  organic nutrients. 
C)  temperature. 
D)  wave energy. 
E)  All of the above factors contribute to benthic animal diversity.

Question 15

Kelp forests are most common in cold, clear water with a hard bottom substrate.

Accepted Answer

A) True 
 B)False

Question 16

Strong algal holdfasts prevent wave shock from washing macroalgae from the rocks in the upper intertidal zone.

Accepted Answer

A) True 
 B)False

Question 17

All of the following are associated with hypersaline seeps except:

Accepted Answer

A)  chemosynthesis. 
B)  hydrogen sulfide. 
C)  microbial mats. 
D)  very high salinity. 
E)  very high temperature. 
A)  chemosynthesis. 
B)  hydrogen sulfide. 
C)  microbial mats. 
D)  very high salinity. 
E)  very high temperature.

Question 18

Primary producers in hydrothermal vent communities are:

Accepted Answer

A)  algae. 
B)  eyeless shrimp. 
C)  giant clams. 
D)  Riftia tubeworms. 
E)  sulfur-oxidizing bacteria. 
A)  algae. 
B)  eyeless shrimp. 
C)  giant clams. 
D)  Riftia tubeworms. 
E)  sulfur-oxidizing bacteria.

Question 19

Two dominant organisms of the rocky shore found high on the rocks of the intertidal zone are:

Accepted Answer

A)  buckshot barnacle and rockweed. 
B)  goose barnacle and mussel. 
C)  keyhole limpet and Irish moss. 
D)  periwinkle snail and kelp. 
E)  sea anemone and hermit crab. 
A)  buckshot barnacle and rockweed. 
B)  goose barnacle and mussel. 
C)  keyhole limpet and Irish moss. 
D)  periwinkle snail and kelp. 
E)  sea anemone and hermit crab.

Question 20

Most of the hydrothermal vents and cool-water seeps on the seafloor were discovered during which decade?

Accepted Answer

A)  1960s 
B)  1970s 
C)  1980s 
D)  1990s 
E)  since 2000 
A)  1960s 
B)  1970s 
C)  1980s 
D)  1990s 
E)  since 2000

Hypersaline seep communities rely on photosynthesis.

Organisms that live in the spaces between sediment particles are called:

Which of the following factors does not limit coral growth?

Fiddler crabs are commonly found inhabitants of tide pools.

List and describe the animal adaptations employed by animals living on a sandy beach (intertidal zone).

Some organisms living in the high water portion of the intertidal zone cannot survive in the supralittoral zone because they:

One characteristic of hydrothermal vent communities is unusually large organisms such as tubeworms and clams.

Hydrocarbon seeps have been discovered :

Meiofauna are small organisms that live between sediment particles on sandy beaches.

Which of the following marine habitats has the lowest species diversity?

The three varieties of seeps on the seafloor include hypersaline, hydrocarbon and:

The sublittoral rocky bottom zone is dominated by:

The variables that affect species diversity of benthic animals include:

Kelp forests are most common in cold, clear water with a hard bottom substrate.

Strong algal holdfasts prevent wave shock from washing macroalgae from the rocks in the upper intertidal zone.

All of the following are associated with hypersaline seeps except:

Primary producers in hydrothermal vent communities are:

Two dominant organisms of the rocky shore found high on the rocks of the intertidal zone are:

Most of the hydrothermal vents and cool-water seeps on the seafloor were discovered during which decade?

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

The Oceans and Climate Change

Filters

Exam 15: Animals of the Benthic Environment

Hypersaline seep communities rely on photosynthesis.

Organisms that live in the spaces between sediment particles are called:

Which of the following factors does not limit coral growth?

Fiddler crabs are commonly found inhabitants of tide pools.

List and describe the animal adaptations employed by animals living on a sandy beach (intertidal zone).

Some organisms living in the high water portion of the intertidal zone cannot survive in the supralittoral zone because they:

One characteristic of hydrothermal vent communities is unusually large organisms such as tubeworms and clams.

Hydrocarbon seeps have been discovered :

Meiofauna are small organisms that live between sediment particles on sandy beaches.

Which of the following marine habitats has the lowest species diversity?

The three varieties of seeps on the seafloor include hypersaline, hydrocarbon and:

The sublittoral rocky bottom zone is dominated by:

The variables that affect species diversity of benthic animals include:

Kelp forests are most common in cold, clear water with a hard bottom substrate.

Strong algal holdfasts prevent wave shock from washing macroalgae from the rocks in the upper intertidal zone.

All of the following are associated with hypersaline seeps except:

Primary producers in hydrothermal vent communities are:

Two dominant organisms of the rocky shore found high on the rocks of the intertidal zone are:

Most of the hydrothermal vents and cool-water seeps on the seafloor were discovered during which decade?

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

The Oceans and Climate Change

Filters