Question 1

Nuisance blooms

Accepted Answer

A)  Have become more frequent in recent years 
B)  Are dominated by dinoflagellates only 
C)  Are dominated by phytoplankton that lack resting stages 
D)  Are only associated with turbulent and well mixed water columns 
A)  Have become more frequent in recent years 
B)  Are dominated by dinoflagellates only 
C)  Are dominated by phytoplankton that lack resting stages 
D)  Are only associated with turbulent and well mixed water columns

Question 2

The Spring diatom increase

Accepted Answer

A)  Reaches its peak of biomass at the time of day length is longest 
B)  Reaches its peak of biomass after the time of day length is longest 
C)  Attains a maximum of biomass when nutrients are still very concentrated in the surface waters 
D)  Does not end because of reduced day length 
A)  Reaches its peak of biomass at the time of day length is longest 
B)  Reaches its peak of biomass after the time of day length is longest 
C)  Attains a maximum of biomass when nutrients are still very concentrated in the surface waters 
D)  Does not end because of reduced day length

Question 3

Transparent exopolymers

Accepted Answer

A)  Are secreted by zooplankton to attract prey 
B)  Cause dissolved nutrients to stick together and increase nutrient uptake 
C)  Are secreted by phytoplankton cells 
D)  Arise mainly in gyre centers 
A)  Are secreted by zooplankton to attract prey 
B)  Cause dissolved nutrients to stick together and increase nutrient uptake 
C)  Are secreted by phytoplankton cells 
D)  Arise mainly in gyre centers

Question 4

Grazing by zooplankton

Accepted Answer

A)  Is always the reason for the demise of the spring diatom increase 
B)  Is independent of phytoplankton density 
C)  Never affects the phytoplankton 
D)  Has variable effects on phytoplankton, depending on differing conditions 
A)  Is always the reason for the demise of the spring diatom increase 
B)  Is independent of phytoplankton density 
C)  Never affects the phytoplankton 
D)  Has variable effects on phytoplankton, depending on differing conditions

Question 5

Auxotrophic phytoplankton

Accepted Answer

A)  Require only inorganic nutrients to grow 
B)  Depend upon dissolved organic matter alone for nutrient uptake 
C)  Probably can grow only in the presence of other living organisms in the water column 
D)  Appear very early in the spring phytoplankton bloom 
A)  Require only inorganic nutrients to grow 
B)  Depend upon dissolved organic matter alone for nutrient uptake 
C)  Probably can grow only in the presence of other living organisms in the water column 
D)  Appear very early in the spring phytoplankton bloom

Question 6

Phytoplankton living in offshore low nutrient conditions

Accepted Answer

A)  Are expected to have high values of K 
B)  Are expected to have low values of K 
C)  Will always be limited by silica 
D)  Will be swept onshore at the end of the phytoplankton season 
A)  Are expected to have high values of K 
B)  Are expected to have low values of K 
C)  Will always be limited by silica 
D)  Will be swept onshore at the end of the phytoplankton season

Question 7

Nitrogen is usually taken up the fastest by phytoplankton in the form of

Accepted Answer

A)  Nitrite 
B)  Ammonium 
C)  Nitrate 
D)  Dissolved amino acids 
A)  Nitrite 
B)  Ammonium 
C)  Nitrate 
D)  Dissolved amino acids

Question 8

Iron is often limiting

Accepted Answer

A)  At the heads of estuaries 
B)  In areas remote from continents 
C)  Toward the end of an estuarine phytoplankton bloom 
D)  To diatoms but not cyanobacteria 
A)  At the heads of estuaries 
B)  In areas remote from continents 
C)  Toward the end of an estuarine phytoplankton bloom 
D)  To diatoms but not cyanobacteria

Question 9

The classic Sverdrup model of the initiation of a phytoplankton bloom has been criticized because

Accepted Answer

A)  Phytoplankton have been found to mainly bloom in the summer 
B)  When the phytoplankton bloom begins, the water column is surprisingly cold and vertically mixed 
C)  Measures of the mixing depth show that is actually gets deeper as the spring progress. 
D)  Nutrients have been found to be more limiting in winter surface waters than previously supposed. 
A)  Phytoplankton have been found to mainly bloom in the summer 
B)  When the phytoplankton bloom begins, the water column is surprisingly cold and vertically mixed 
C)  Measures of the mixing depth show that is actually gets deeper as the spring progress. 
D)  Nutrients have been found to be more limiting in winter surface waters than previously supposed.

Nuisance blooms

The Spring diatom increase

Transparent exopolymers

Grazing by zooplankton

Auxotrophic phytoplankton

Phytoplankton living in offshore low nutrient conditions

Nitrogen is usually taken up the fastest by phytoplankton in the form of

Iron is often limiting

The classic Sverdrup model of the initiation of a phytoplankton bloom has been criticized because

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

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

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

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 11: Processes in the Water Column

Nuisance blooms

The Spring diatom increase

Transparent exopolymers

Grazing by zooplankton

Auxotrophic phytoplankton

Phytoplankton living in offshore low nutrient conditions

Nitrogen is usually taken up the fastest by phytoplankton in the form of

Iron is often limiting

The classic Sverdrup model of the initiation of a phytoplankton bloom has been criticized because

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

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

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

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