Question 1

Mangroves are found

Accepted Answer

A)  Only in the tropical Atlantic 
B)  In the tropics on quiet shores in all oceans 
C)  Only on tropical islands in open ocean environments 
D)  A minimum of three meters in depth 
A)  Only in the tropical Atlantic 
B)  In the tropics on quiet shores in all oceans 
C)  Only on tropical islands in open ocean environments 
D)  A minimum of three meters in depth

Question 2

Benthic species in estuaries may be adapted to estuarine flow of larvae to the coastal zone

Accepted Answer

A)  By crawling within the sediment toward higher salinity 
B)  By having planktonic larvae rise with the flooding tide and staying near the bottom on the falling tide 
C)  By never living on the sediment surface 
D)  By digging deeper than in open marine sediments 
A)  By crawling within the sediment toward higher salinity 
B)  By having planktonic larvae rise with the flooding tide and staying near the bottom on the falling tide 
C)  By never living on the sediment surface 
D)  By digging deeper than in open marine sediments

Question 3

In a rocky shore, the competitively superior species will take over

Accepted Answer

A)  Unless there is little larval recruitment of that species 
B)  Under any circumstances 
C)  Only if its predator is abundant 
D)  Unless there is facilitation between individuals of that species 
A)  Unless there is little larval recruitment of that species 
B)  Under any circumstances 
C)  Only if its predator is abundant 
D)  Unless there is facilitation between individuals of that species

Question 4

Spartina salt marsh plants spread mainly by

Accepted Answer

A)  Seed set as they are flowering plants 
B)  Vegetative growth via the rhizomal system 
C)  Fragmentation and water-borne transport of adult plants 
D)  Subterranean spores 
A)  Seed set as they are flowering plants 
B)  Vegetative growth via the rhizomal system 
C)  Fragmentation and water-borne transport of adult plants 
D)  Subterranean spores

Question 5

In an estuary with a very high flushing rate

Accepted Answer

A)  Marine invertebrate larvae will settle in dense numbers within the estuary 
B)  Long-lived planktotrophic larvae originating within the estuary will settle in the estuary in higher densities than lecithotrophic larvae originating within the estuary 
C)  Planktonic larvae that rise on the ebb tide will have high settlement rates within the estuary 
D)  None of the above 
A)  Marine invertebrate larvae will settle in dense numbers within the estuary 
B)  Long-lived planktotrophic larvae originating within the estuary will settle in the estuary in higher densities than lecithotrophic larvae originating within the estuary 
C)  Planktonic larvae that rise on the ebb tide will have high settlement rates within the estuary 
D)  None of the above

Question 6

In a year when rainfall is plentiful within an estuary we might expect

Accepted Answer

A)  Larval recruitment within the estuary to be at a low rate 
B)  Salinity to be generally lower throughout the estuary 
C)  Larger supplies of nutrients 
D)  All of the above 
A)  Larval recruitment within the estuary to be at a low rate 
B)  Salinity to be generally lower throughout the estuary 
C)  Larger supplies of nutrients 
D)  All of the above

Question 7

In estuaries, which order of subhabitats goes from higher to lower salinity?

Accepted Answer

A)  Oligohaline to mesohaline 
B)  Oligohaline to polyhaline 
C)  Polyhaline to mesohaline 
D)  Tidal freshwater to oligohaline 
A)  Oligohaline to mesohaline 
B)  Oligohaline to polyhaline 
C)  Polyhaline to mesohaline 
D)  Tidal freshwater to oligohaline

Question 8

Oyster reefs

Accepted Answer

A)  Have greatly declined in United States estuaries 
B)  Are the main source of edible oysters for sale 
C)  Are essentially as abundant as they were over a hundred years ago 
D)  Nearly disappeared but have been restored 
A)  Have greatly declined in United States estuaries 
B)  Are the main source of edible oysters for sale 
C)  Are essentially as abundant as they were over a hundred years ago 
D)  Nearly disappeared but have been restored

Question 9

In an estuary

Accepted Answer

A)  Marine benthos penetrate not as far upstream as zooplankton 
B)  Marine benthos live with more salinity variation than zooplankton 
C)  Marine benthos penetrate just as far upstream as zooplankton 
D)  Marine benthos penetrate farther upstream than do zooplankton 
A)  Marine benthos penetrate not as far upstream as zooplankton 
B)  Marine benthos live with more salinity variation than zooplankton 
C)  Marine benthos penetrate just as far upstream as zooplankton 
D)  Marine benthos penetrate farther upstream than do zooplankton

Question 10

Mobile carnivores are

Accepted Answer

A)  Usually found in the highest part of the intertidal 
B)  Not usually able to get to prey in the highest part of the intertidal 
C)  Generally nonselective 
D)  Always visual in prey detection 
A)  Usually found in the highest part of the intertidal 
B)  Not usually able to get to prey in the highest part of the intertidal 
C)  Generally nonselective 
D)  Always visual in prey detection

Question 11

Bromine-containing compounds

Accepted Answer

A)  Are used by planktonic eggs as sperm attractants 
B)  Are common pollutants in mangroves 
C)  Are secreted by soft-sediment benthos to repel competitors 
D)  Are among the very few compounds not used by marine organisms 
A)  Are used by planktonic eggs as sperm attractants 
B)  Are common pollutants in mangroves 
C)  Are secreted by soft-sediment benthos to repel competitors 
D)  Are among the very few compounds not used by marine organisms

Question 12

Zonation in salt marshes

Accepted Answer

A)  Depends on increased resistance to environmental stress as you go up the intertidal zone 
B)  Is explained by grazing by herbivores 
C)  Depends on increased resistance to environmental stress as you do down in the intertidal zone 
D)  Is generally unpredictable 
A)  Depends on increased resistance to environmental stress as you go up the intertidal zone 
B)  Is explained by grazing by herbivores 
C)  Depends on increased resistance to environmental stress as you do down in the intertidal zone 
D)  Is generally unpredictable

Question 13

Which of the following is not a foundation species?

Accepted Answer

A)  A dominant mangrove species in a mangrove forest 
B)  An abundant sea grass species 
C)  A dominant species of cord grass in a salt marsh meadow 
D)  A barnacle species that wins out in competition over other species 
A)  A dominant mangrove species in a mangrove forest 
B)  An abundant sea grass species 
C)  A dominant species of cord grass in a salt marsh meadow 
D)  A barnacle species that wins out in competition over other species

Question 14

Lower intertidal salt marsh plants

Accepted Answer

A)  Can grow well in the high intertidal zone 
B)  Are severely limited in growth in the high intertidal zone 
C)  Are no more salt-tolerant than high intertidal plants 
D)  Can grow in very deep water 
A)  Can grow well in the high intertidal zone 
B)  Are severely limited in growth in the high intertidal zone 
C)  Are no more salt-tolerant than high intertidal plants 
D)  Can grow in very deep water

Question 15

Zonation

Accepted Answer

A)  Is best developed on exposed shores with strong wave energy 
B)  Is best developed in soft sediment intertidal environments 
C)  Is best developed in protected rocky shore environments 
D)  Only develops when there is little vertical tidal range 
A)  Is best developed on exposed shores with strong wave energy 
B)  Is best developed in soft sediment intertidal environments 
C)  Is best developed in protected rocky shore environments 
D)  Only develops when there is little vertical tidal range

Question 16

Intertidal organisms

Accepted Answer

A)  Are usually the same temperature as air temperature at the time of low tide 
B)  Always suffer from high heat stress 
C)  Can never move to a place where they can avoid drying out 
D)  May be cooler than a comparably sized nonliving object on a hot day at the time of low tide 
A)  Are usually the same temperature as air temperature at the time of low tide 
B)  Always suffer from high heat stress 
C)  Can never move to a place where they can avoid drying out 
D)  May be cooler than a comparably sized nonliving object on a hot day at the time of low tide

Mangroves are found

Benthic species in estuaries may be adapted to estuarine flow of larvae to the coastal zone

In a rocky shore, the competitively superior species will take over

Spartina salt marsh plants spread mainly by

In an estuary with a very high flushing rate

In a year when rainfall is plentiful within an estuary we might expect

In estuaries, which order of subhabitats goes from higher to lower salinity?

Oyster reefs

In an estuary

Mobile carnivores are

Bromine-containing compounds

Zonation in salt marshes

Which of the following is not a foundation species?

Lower intertidal salt marsh plants

Zonation

Intertidal organisms

Sounding the Deep

The Oceanic Environment

Climate Oscillations and Climate Change

Ecological and Evolutionary Principles of Marine Biology

The Chemical and Physical Environment

Life in a Fluid Medium

Reproduction, Dispersal, and Migration

Plankton

Marine Vertebrates and Other Nekton

The Open Sea: Distributions and Adaptations

Processes in the Water Column

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

The Shallow Coastal Subtidal: Sea Grass Beds, Rocky Reefs, Kelp Forests, and Coral Reefs

Benthos From the Continental Shelf to the Deep Sea

Polar Marine Biology

Biodiversity and Conservation of the Ocean

Fisheries and Food From the Sea

Environmental Impacts of Industrial Activities and Human Populations

Filters

Exam 16: The Tidelands: Rocky Shores, Soft-Substratum Shores, Marshes, Mangroves, Estuaries, and Oyster Reefs

Mangroves are found

Benthic species in estuaries may be adapted to estuarine flow of larvae to the coastal zone

In a rocky shore, the competitively superior species will take over

Spartina salt marsh plants spread mainly by

In an estuary with a very high flushing rate

In a year when rainfall is plentiful within an estuary we might expect

In estuaries, which order of subhabitats goes from higher to lower salinity?

Oyster reefs

In an estuary

Mobile carnivores are

Bromine-containing compounds

Zonation in salt marshes

Which of the following is not a foundation species?

Lower intertidal salt marsh plants

Zonation

Intertidal organisms

Sounding the Deep

The Oceanic Environment

Climate Oscillations and Climate Change

Ecological and Evolutionary Principles of Marine Biology

The Chemical and Physical Environment

Life in a Fluid Medium

Reproduction, Dispersal, and Migration

Plankton

Marine Vertebrates and Other Nekton

The Open Sea: Distributions and Adaptations

Processes in the Water Column

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

The Shallow Coastal Subtidal: Sea Grass Beds, Rocky Reefs, Kelp Forests, and Coral Reefs

Benthos From the Continental Shelf to the Deep Sea

Polar Marine Biology

Biodiversity and Conservation of the Ocean

Fisheries and Food From the Sea

Environmental Impacts of Industrial Activities and Human Populations

Filters