Question 1

Zooxanthellae are important members of hydrothermal vent communities.

Accepted Answer

A) True 
 B)False

Question 2

All of the following are adaptations to life in the rocky shore intertidal zone except:

Accepted Answer

A) ability to withdraw into their shells. 
B) holdfasts for attachment to rock surfaces. 
C) schooling to avoid predators. 
D) shell to cover soft body parts for protection from predators and desiccation. 
E) use of biological glue and protein threads for attachment. 
A) ability to withdraw into their shells. 
B) holdfasts for attachment to rock surfaces. 
C) schooling to avoid predators. 
D) shell to cover soft body parts for protection from predators and desiccation. 
E) use of biological glue and protein threads for attachment.

Question 3

Discuss the adaptations of marine organisms to life in the rocky intertidal zone.

Accepted Answer

There are two types of problems with lif

Question 4

Primary producers in hydrothermal vent communities are:

Accepted Answer

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

Question 5

Compare and contrast the primary production (producers)in a sea grass and a coral reef including in your answer a typical energy pyramid for both ecosystems.

Accepted Answer

Sea grass and coral reefs are both impor

Question 6

The loss of color (coral bleaching)in coral reef organisms can be a result of:

Accepted Answer

A) crown-of-thorn sea stars. 
B) fungal parasites. 
C) increased sediment loads. 
D) increase in zooxanthellae concentrations 
E) loss of zooxanthellae. 
A) crown-of-thorn sea stars. 
B) fungal parasites. 
C) increased sediment loads. 
D) increase in zooxanthellae concentrations 
E) loss of zooxanthellae.

Question 7

The increase in the number of crown-of-thorn sea stars has been strongly linked to human activities.

Accepted Answer

A) True 
 B)False

Question 8

Nearly all of the larger organisms that inhabit sediment-covered shores are epifaunal organisms.

Accepted Answer

A) True 
 B)False

Question 9

Compare and contrast the environmental conditions that favor the growth of kelp forests and corals.

Accepted Answer

Kelp forests and coral reefs both requir

Question 10

The eastern side of an ocean basin tends to have greater diversity of reef-building corals than the western side.

Accepted Answer

A) True 
 B)False

Question 11

Match the organism with the appropriate habitat. You may use each answer once, more than once or not at all.
-coral

Accepted Answer

A) subtidal rocky bottoms 
B) sandy beaches 
C) mud flats 
A) subtidal rocky bottoms 
B) sandy beaches 
C) mud flats

Question 12

The supratidal zone of the rocky shore is the area between the highest high tide and the lowest low tide.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) have planktonic larval forms. 
B) are sessile. 
C) cannot tolerate dessication or drying out. 
D) cannot tolerate fluctuating salinity. 
E) cannot tolerate temperature fluctuations. 
A) have planktonic larval forms. 
B) are sessile. 
C) cannot tolerate dessication or drying out. 
D) cannot tolerate fluctuating salinity. 
E) cannot tolerate temperature fluctuations.

Question 14

The depth to which a bivalve can bury itself depends on the:

Accepted Answer

A) composition of the sediment. 
B) length of its siphon. 
C) oxygen content of the sediment. 
D) turbidity of the surface water. 
E) wave frequency and water velocity. 
A) composition of the sediment. 
B) length of its siphon. 
C) oxygen content of the sediment. 
D) turbidity of the surface water. 
E) wave frequency and water velocity.

Question 15

Refer to the figure below to answer the following question.
  
-The area on a rocky shore inhabited by organisms adapted to withstand wave energy for the majority of the tidal cycle is indicated by the number:

Accepted Answer

A) 1) 
B) 2) 
C) 3) 
D) 5) 
E) 7) 
A) 1) 
B) 2) 
C) 3) 
D) 5) 
E) 7)

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

The distribution of benthic biomass is related to:

Accepted Answer

A) current patterns. 
B) primary productivity. 
C) sediment variety. 
D) thermocline depth. 
E) wave energy. 
A) current patterns. 
B) primary productivity. 
C) sediment variety. 
D) thermocline depth. 
E) wave energy.

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Match the organism with the appropriate zone. You may use each answer once, more than once or not at all.
-acorn barnacle

Accepted Answer

A) supratidal zone 
B) middle tide zone 
C) high tide zone, supratidal zone 
D) low tide zone 
E) middle tide zone, tide pool
F)high tide zone 
A) supratidal zone 
B) middle tide zone 
C) high tide zone, supratidal zone 
D) low tide zone 
E) middle tide zone, tide pool
F)high tide zone

Question 20

Match the organism with the appropriate zone. You may use each answer once, more than once or not at all.
-hermit crab

Accepted Answer

A) supratidal zone 
B) middle tide zone 
C) high tide zone, supratidal zone 
D) low tide zone 
E) middle tide zone, tide pool
F)high tide zone 
A) supratidal zone 
B) middle tide zone 
C) high tide zone, supratidal zone 
D) low tide zone 
E) middle tide zone, tide pool
F)high tide zone

Zooxanthellae are important members of hydrothermal vent communities.

All of the following are adaptations to life in the rocky shore intertidal zone except:

Discuss the adaptations of marine organisms to life in the rocky intertidal zone.

Primary producers in hydrothermal vent communities are:

Compare and contrast the primary production (producers)in a sea grass and a coral reef including in your answer a typical energy pyramid for both ecosystems.

The loss of color (coral bleaching)in coral reef organisms can be a result of:

The increase in the number of crown-of-thorn sea stars has been strongly linked to human activities.

Nearly all of the larger organisms that inhabit sediment-covered shores are epifaunal organisms.

Compare and contrast the environmental conditions that favor the growth of kelp forests and corals.

The eastern side of an ocean basin tends to have greater diversity of reef-building corals than the western side.

Match the organism with the appropriate habitat. You may use each answer once, more than once or not at all. -coral

The supratidal zone of the rocky shore is the area between the highest high tide and the lowest low tide.

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

The depth to which a bivalve can bury itself depends on the:

Refer to the figure below to answer the following question. -The area on a rocky shore inhabited by organisms adapted to withstand wave energy for the majority of the tidal cycle is indicated by the number:

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

The distribution of benthic biomass is related to:

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

Match the organism with the appropriate zone. You may use each answer once, more than once or not at all. -acorn barnacle

Match the organism with the appropriate zone. You may use each answer once, more than once or not at all. -hermit crab

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interaction

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Ocean

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

The Oceans and Climate Change

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Exam 15: Animals of the Benthic Environment

Zooxanthellae are important members of hydrothermal vent communities.

All of the following are adaptations to life in the rocky shore intertidal zone except:

Discuss the adaptations of marine organisms to life in the rocky intertidal zone.

Primary producers in hydrothermal vent communities are:

Compare and contrast the primary production (producers)in a sea grass and a coral reef including in your answer a typical energy pyramid for both ecosystems.

The loss of color (coral bleaching)in coral reef organisms can be a result of:

The increase in the number of crown-of-thorn sea stars has been strongly linked to human activities.

Nearly all of the larger organisms that inhabit sediment-covered shores are epifaunal organisms.

Compare and contrast the environmental conditions that favor the growth of kelp forests and corals.

The eastern side of an ocean basin tends to have greater diversity of reef-building corals than the western side.

Match the organism with the appropriate habitat. You may use each answer once, more than once or not at all. -coral

The supratidal zone of the rocky shore is the area between the highest high tide and the lowest low tide.

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

The depth to which a bivalve can bury itself depends on the:

Refer to the figure below to answer the following question. -The area on a rocky shore inhabited by organisms adapted to withstand wave energy for the majority of the tidal cycle is indicated by the number:

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

The distribution of benthic biomass is related to:

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

Match the organism with the appropriate zone. You may use each answer once, more than once or not at all. -acorn barnacle

Match the organism with the appropriate zone. You may use each answer once, more than once or not at all. -hermit crab

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interaction

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Ocean

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

The Oceans and Climate Change

Filters