Question 1

The most successful adaptation for living on a sediment-covered shore is:

Accepted Answer

A) attachment to the substrate. 
B) burrowing into the sediment. 
C) flattened body shape. 
D) sessile lifestyle. 
E) swimming. 
A) attachment to the substrate. 
B) burrowing into the sediment. 
C) flattened body shape. 
D) sessile lifestyle. 
E) swimming. B

Question 2

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. C

Question 3

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 E

Question 4

The buttress zone of a coral reef is likely to have which variety of coral?

Accepted Answer

A) boulder corals. 
B) delicate plate corals 
C) gorgonian corals. 
D) massive branching corals 
E) rounded and smooth corals 
A) boulder corals. 
B) delicate plate corals 
C) gorgonian corals. 
D) massive branching corals 
E) rounded and smooth corals

Question 5

These organisms are inhabitants of a(n):

Accepted Answer

A) active subduction zone. 
B) cold seep. 
C) hypersaline seep. 
D) hydrocarbon seep. 
E) hydrothermal vent. 
A) active subduction zone. 
B) cold seep. 
C) hypersaline seep. 
D) hydrocarbon seep. 
E) hydrothermal vent.

Question 6

The common annelid found in a sandy beach environment is the:

Accepted Answer

A) clam. 
B) fan worm. 
C) feather duster worm. 
D) ghost crab. 
E) lugworm. 
A) clam. 
B) fan worm. 
C) feather duster worm. 
D) ghost crab. 
E) lugworm.

Question 7

Refer to the Figure below to answer questions 
  
-The area on a rocky shore that is inhabited by organisms adapted to high 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 8

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

Accepted Answer

A) True 
 B)False

Question 9

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 10

Coral reefs contain more algal biomass than animal biomass.

Accepted Answer

A) True 
 B)False

Question 11

Faunal zonation across a sediment-covered shore is best seen when the shore is gently sloping.

Accepted Answer

A) True 
 B)False

Question 12

All of the following are examples of strategies employed by organisms to reduce wave shock in the rocky intertidal zone except:

Accepted Answer

A) byssal threads. 
B) flexible stems and blades. 
C) holdfasts. 
D) motile larvae. 
E) the use of suction to attach to rocks. 
A) byssal threads. 
B) flexible stems and blades. 
C) holdfasts. 
D) motile larvae. 
E) the use of suction to attach to rocks.

Question 13

The loss of color (coral bleaching)in coral reef organisms is caused by:

Accepted Answer

A) crown-of-thorn sea stars. 
B) fungal parasite. 
C) increased sediment load. 
D) increased water temperature. 
E) loss of zooxanthellae. 
A) crown-of-thorn sea stars. 
B) fungal parasite. 
C) increased sediment load. 
D) increased water temperature. 
E) loss of zooxanthellae.

Question 14

The most important limiting factor in intertidal communities is:

Accepted Answer

A) food. 
B) light. 
C) nutrients. 
D) predation. 
E) space. 
A) food. 
B) light. 
C) nutrients. 
D) predation. 
E) space.

Question 15

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 16

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

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

All of the following are true of hard corals except:

Accepted Answer

A) corals are members of the Kingdom Animalia,Phylum Cnidaria,Class Anthozoa. 
B) coral distribution worldwide is limited to areas where the water temperature exceeds 25ºC. 
C) corals grow in shallow water with high light and relatively low organic nutrient input. 
D) corals have a motile planula larval form. 
E) corals have obligate endosymbionts. 
A) corals are members of the Kingdom Animalia,Phylum Cnidaria,Class Anthozoa. 
B) coral distribution worldwide is limited to areas where the water temperature exceeds 25ºC. 
C) corals grow in shallow water with high light and relatively low organic nutrient input. 
D) corals have a motile planula larval form. 
E) corals have obligate endosymbionts.

Question 19

Subduction zone seeps support communities from:

Accepted Answer

A) hydrocarbon-rich waters. 
B) hydrothermal waters. 
C) inorganic nutrient rich waters. 
D) oxygen-rich waters. 
E) sulfur and methane-rich sedimentary waters. 
A) hydrocarbon-rich waters. 
B) hydrothermal waters. 
C) inorganic nutrient rich waters. 
D) oxygen-rich waters. 
E) sulfur and methane-rich sedimentary waters.

Question 20

Which of the following is a threat to coral reef survival?

Accepted Answer

A) boat collisions. 
B) fishing. 
C) scuba and snorkeling. 
D) suspended sediment. 
E) All of the above might contribute to the decline of a coral community. 
A) boat collisions. 
B) fishing. 
C) scuba and snorkeling. 
D) suspended sediment. 
E) All of the above might contribute to the decline of a coral community.

The most successful adaptation for living on a sediment-covered shore is:

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

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

The buttress zone of a coral reef is likely to have which variety of coral?

These organisms are inhabitants of a(n):

The common annelid found in a sandy beach environment is the:

Refer to the Figure below to answer questions -The area on a rocky shore that is inhabited by organisms adapted to high wave energy for the majority of the tidal cycle is indicated by the number:

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

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

Coral reefs contain more algal biomass than animal biomass.

Faunal zonation across a sediment-covered shore is best seen when the shore is gently sloping.

All of the following are examples of strategies employed by organisms to reduce wave shock in the rocky intertidal zone except:

The loss of color (coral bleaching)in coral reef organisms is caused by:

The most important limiting factor in intertidal communities is:

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

Which of the following factors does not limit coral growth?

All of the following are associated with hypersaline seeps except:

All of the following are true of hard corals except:

Subduction zone seeps support communities from:

Which of the following is a threat to coral reef survival?

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

Filters

Exam 15: Animals of the Benthic Environment

The most successful adaptation for living on a sediment-covered shore is:

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

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

The buttress zone of a coral reef is likely to have which variety of coral?

These organisms are inhabitants of a(n):

The common annelid found in a sandy beach environment is the:

Refer to the Figure below to answer questions -The area on a rocky shore that is inhabited by organisms adapted to high wave energy for the majority of the tidal cycle is indicated by the number:

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

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

Coral reefs contain more algal biomass than animal biomass.

Faunal zonation across a sediment-covered shore is best seen when the shore is gently sloping.

All of the following are examples of strategies employed by organisms to reduce wave shock in the rocky intertidal zone except:

The loss of color (coral bleaching)in coral reef organisms is caused by:

The most important limiting factor in intertidal communities is:

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

Which of the following factors does not limit coral growth?

All of the following are associated with hypersaline seeps except:

All of the following are true of hard corals except:

Subduction zone seeps support communities from:

Which of the following is a threat to coral reef survival?

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

Filters