Geography and Earth Sciences

With respect to their marine environment, these organisms can be referred to as:

With respect to their marine environment, these organisms can be referred to as:

With respect to their marine environment, these organisms can be referred to as:
A) benthos.
B) heterotrophs.
C) nekton.
D) plankton.
E) predators.

Yoshi   760   3 Replies

GeoExp

An example of an organism that might be part of the infauna is a/an:

An example of an organism that might be part of the infauna is a/an:

An example of an organism that might be part of the infauna is a/an:
A) bull kelp.
B) crinoid.
C) lug worm.
D) shark.
E) tuna.

Yoshi   294   3 Replies

GeoExp

Nekton are restricted to particular ocean areas by:

Nekton are restricted to particular ocean areas by:

Nekton are restricted to particular ocean areas by:
A) availability of food.
B) differences in water pressure with depth.
C) changes in salinity.
D) temperature variations with latitude and depth.
E) All of the above conditio

Yoshi   351   3 Replies

GeoExp

Planktonic organisms that spend part of their life in planktonic form, and the r

Planktonic organisms that spend part of their life in planktonic form, and the r

Planktonic organisms that spend part of their life in planktonic form, and the rest of their life as either benthos or nekton are called:
A) bacterioplankton.
B) holoplankton.
C) macroplankton.
D) meroplankton.
E) zooplankton

Yoshi   293   3 Replies

GeoExp

Which of the following word pairs correctly link a descriptor with the way in wh

Which of the following word pairs correctly link a descriptor with the way in wh

Which of the following word pairs correctly link a descriptor with the way in which the organism lives in the ocean?
A) benthos—drift
B) benthos—swim
C) nekton—bottom-dwelling
D) nekton—swim
E) plankton—bottom-dwelling

Yoshi   289   3 Replies

GeoExp

Which of the following associations is incorrect?

Which of the following associations is incorrect?

Which of the following associations is incorrect?
A) Kingdom Animalia—dolphins
B) Kingdom Fungi—mushrooms
C) Kingdom Monera—bacteria in hydrothermal vents
D) Kingdom Plantae—algae
E) Kingdom Protista—phytoplankton

Yoshi   671   3 Replies

GeoExp

Multicellular, eukaryotic organisms that range in complexity from simple sponges

Multicellular, eukaryotic organisms that range in complexity from simple sponges

Multicellular, eukaryotic organisms that range in complexity from simple sponges to complex vertebrates belong to the kingdom:
A) Animalia.
B) Fungi.
C) Monera.
D) Plantae.
E) Protoctista.

Yoshi   784   3 Replies

GeoExp

Which of the following statements concerning bacteria is false?

Which of the following statements concerning bacteria is false?

Which of the following statements concerning bacteria is false?
A) Bacteria can be found living in extreme environments (heat, salinity, cold, etc.).
B) Bacteria have a cell membrane and a cell wall.
C) Bacteria lack membrane-bound org

Yoshi   561   3 Replies

GeoExp

List the types of marine pollutants.

List the types of marine pollutants.

List the types of marine pollutants.

Yoshi   229   3 Replies

GeoExp

Compare and contrast salt marshes and mangrove swamps.

Compare and contrast salt marshes and mangrove swamps.

Compare and contrast salt marshes and mangrove swamps.

Yoshi   797   3 Replies

GeoExp

Distinguish between estuaries, lagoons, and marginal seas and give an example of

Distinguish between estuaries, lagoons, and marginal seas and give an example of

Distinguish between estuaries, lagoons, and marginal seas and give an example of each.

Yoshi   262   3 Replies

GeoExp

How does coastal runoff of low-salinity water produce a coastal geostrophic curr

How does coastal runoff of low-salinity water produce a coastal geostrophic curr

How does coastal runoff of low-salinity water produce a coastal geostrophic current?

Yoshi   936   3 Replies

GeoExp

Explain the difference between a territorial sea and the Exclusive Economic Zone

Explain the difference between a territorial sea and the Exclusive Economic Zone

Explain the difference between a territorial sea and the Exclusive Economic Zone (EEZ).

Yoshi   217   3 Replies

GeoExp

A. Atlantic comb jelly B. Caulerpa taxifolia C. green crab D. Spartina alternif

A. Atlantic comb jelly B. Caulerpa taxifolia C. green crab D. Spartina alternif

A. Atlantic comb jelly
B. Caulerpa taxifolia
C. green crab
D. Spartina alterniflora
E. water hyacinth

Yoshi   703   3 Replies

GeoExp

A. DDT B. mercury C. nitrates D. phytoplankton E. petroleum

A. DDT B. mercury C. nitrates D. phytoplankton E. petroleum

A. DDT
B. mercury
C. nitrates
D. phytoplankton
E. petroleum

Yoshi   419   3 Replies

GeoExp

A. coastal plain B. highly stratified C. salt wedge D. slightly stratified E. v

A. coastal plain B. highly stratified C. salt wedge D. slightly stratified E. v

A. coastal plain
B. highly stratified
C. salt wedge
D. slightly stratified
E. vertically mixed

Yoshi   635   3 Replies

GeoExp

A. bar-built B. coastal plain C. fjord D. reverse E. tectonic

A. bar-built B. coastal plain C. fjord D. reverse E. tectonic

A. bar-built
B. coastal plain
C. fjord
D. reverse
E. tectonic

Yoshi   429   3 Replies

GeoExp

Plastics cause significant biological damage in oceans when:

Plastics cause significant biological damage in oceans when:

Plastics cause significant biological damage in oceans when:
A) degradation rapidly releases toxins into the environment.
B) plastic waste strangles seals and birds.
C) pellets appear in the sediments.
D) plastics degrade into DDT

Yoshi   664   3 Replies

GeoExp

Minamata disease is associated with:

Minamata disease is associated with:

Minamata disease is associated with:
A) dinoflagellates in tropical reef ecosystems.
B) eutrophication.
C) harmful algal blooms.
D) illegal fishing in tropical areas.
E) ingestion of methyl mercury-contaminated fish and shell

Yoshi   333   3 Replies

GeoExp

Which of the following characterizes the pesticide DDT and industrial chemicals

Which of the following characterizes the pesticide DDT and industrial chemicals

Which of the following characterizes the pesticide DDT and industrial chemicals such as PCBs?
A) persistence in the environment
B) biologically active
C) relatively high toxicity
D) propensity to accumulate in food chains
E)

Yoshi   859   3 Replies

GeoExp

Secondary sewage treatment is distinguished form primary sewage treatment by the

Secondary sewage treatment is distinguished form primary sewage treatment by the

Secondary sewage treatment is distinguished form primary sewage treatment by the:
A) addition of bacteria to process organic contaminants.
B) aeration of liquid effluent following chlorination.
C) chlorination of the liquid effluent.

Yoshi   1246   3 Replies

GeoExp

Bioremediation has been particularly effective in marine ecosystems in the clean

Bioremediation has been particularly effective in marine ecosystems in the clean

Bioremediation has been particularly effective in marine ecosystems in the clean-up of:
A) heavy metals.
B) hydrocarbons.
C) nitrates.
D) pesticides
E) thermal effluents.

Yoshi   490   3 Replies

GeoExp

The most biologically devastating oil spills in the marine environment are usual

The most biologically devastating oil spills in the marine environment are usual

The most biologically devastating oil spills in the marine environment are usually a result of:
A) blow out accidents on drilling platforms.
B) collision and/or sinking of oil tankers.
C) discharge from refueling tankers and ships.

Yoshi   274   3 Replies

GeoExp

The two most significant human sources of oil pollution in the marine environmen

The two most significant human sources of oil pollution in the marine environmen

The two most significant human sources of oil pollution in the marine environment are:
A) blow out accidents and urban run-off.
B) natural seeps and urban run-off.
C) normal oil tanker/shipping operations and urban run-off.
D) oil

Yoshi   276   3 Replies

GeoExp

The toxicity of marine pollutants is evaluated through bioassays by:

The toxicity of marine pollutants is evaluated through bioassays by:

The toxicity of marine pollutants is evaluated through bioassays by:
A) calculating the concentration at which 50% of the test organisms die.
B) determining the length of time that the pollutant remains in the environment.
C) determini

Yoshi   292   3 Replies

GeoExp

All of the following are examples of pollutants in the marine environment except

All of the following are examples of pollutants in the marine environment except

All of the following are examples of pollutants in the marine environment except:
A) heavy metals such as mercury and silver.
B) hydrocarbons.
C) nutrient inputs such as nitrogen and phosphorus compounds.
D) phytoplankton.
E)

Yoshi   517   3 Replies

GeoExp

Reasons for the loss of coastal wetlands include all of the following except:

Reasons for the loss of coastal wetlands include all of the following except:

Reasons for the loss of coastal wetlands include all of the following except:
A) agriculture.
B) coastal housing.
C) removal of mangroves and other coastal vegetation
D) industrial development.
E) all of the above.

Yoshi   400   3 Replies

GeoExp

The percentage of the original area of wetlands currently left in the United Sta

The percentage of the original area of wetlands currently left in the United Sta

The percentage of the original area of wetlands currently left in the United States is approximately:
A) 10%.
B) 25%.
C) 50%.
D) 65%.
E) 75%.

Yoshi   209   3 Replies

GeoExp

This wetland coastal area occurs:

This wetland coastal area occurs:

This wetland coastal area occurs:
A) between 30°N and 30°S latitude.
B) in coastal areas that dissipate wave energy.
C) in coastal areas that do not experience seasonal killing frosts.
D) All of the above conditions control the di

Yoshi   510   3 Replies

GeoExp

Coastal wetlands are characterized by:

Coastal wetlands are characterized by:

Coastal wetlands are characterized by:
A) high levels of inorganic matter in the tidal zone and oxygen-rich muds
B) high levels of organic matter in the tidal zone and anoxic muds.
C) high levels of organic matter in the tidal zone and

Yoshi   342   3 Replies

GeoExp

When less saline water enters a marginal sea above a return flow of saltier wate

When less saline water enters a marginal sea above a return flow of saltier wate

When less saline water enters a marginal sea above a return flow of saltier water, the circulation pattern is called:
A) estuarine circulation.
B) fjord circulation.
C) lagoon circulation.
D) loop current circulation.
E) Medi

Yoshi   218   3 Replies

GeoExp

The type of circulation pattern found in Laguna Madre is:

The type of circulation pattern found in Laguna Madre is:

The type of circulation pattern found in Laguna Madre is:
A) opposite of the typical estuarine circulation pattern.
B) salt wedge pattern.
C) slightly stratified circulation pattern.
D) vertically mixed circulation pattern.
E

Yoshi   396   3 Replies

GeoExp

One major problem associated with the Chesapeake Bay due to increased human pres

One major problem associated with the Chesapeake Bay due to increased human pres

One major problem associated with the Chesapeake Bay due to increased human pressure is:
A) an increased salinity during particular times of the year.
B) an increase in nutrients resulting in more frequent kills of bottom-dwelling or benthi

Yoshi   269   3 Replies

GeoExp

The Columbia River estuary received its most significant ecological damage from

The Columbia River estuary received its most significant ecological damage from

The Columbia River estuary received its most significant ecological damage from which of the following sources?
A) dikes erected by farmers to prevent flooding
B) dredging of the river to accommodate boat traffic
C) hydroelectric dams

Yoshi   422   3 Replies

padre

Estuarine circulation associated with a shallow, low-volume estuary in which riv

Estuarine circulation associated with a shallow, low-volume estuary in which riv

Estuarine circulation associated with a shallow, low-volume estuary in which river water mixes evenly at all depths with ocean water would be called a:
A) highly stratified estuary.
B) salt wedge estuary.
C) slightly stratified estuary

Yoshi   248   3 Replies

padre

Estuarine circulation associated with a deep, high river volume system where no

Estuarine circulation associated with a deep, high river volume system where no

Estuarine circulation associated with a deep, high river volume system where no horizontal salinity gradient exists at the surface is called a:
A) bar-built estuary.
B) highly stratified estuary.
C) salt wedge estuary.
D) slightly

Yoshi   210   3 Replies

padre

An example of a bar-built estuary is:

An example of a bar-built estuary is:

An example of a bar-built estuary is:
A) Aleutian Islands.
B) Chesapeake Bay.
C) Laguna Madre.
D) Puget Sound.
E) San Francisco Bay.

Yoshi   287   3 Replies

padre

An example of a coastal plain estuary is the:

An example of a coastal plain estuary is the:

An example of a coastal plain estuary is the:
A) Chesapeake Bay.
B) Laguna Madre.
C) Monterey Bay.
D) Pamlico Sound.
E) San Francisco Bay.

Yoshi   233   3 Replies

padre

An estuary produced by faulting or folding of rocks that creates a dropped-down

An estuary produced by faulting or folding of rocks that creates a dropped-down

An estuary produced by faulting or folding of rocks that creates a dropped-down section into which a river flows is called a:
A) bar-built estuary.
B) coastal plain estuary.
C) fjord.
D) salt wedge estuary.
E) tectonic estuar

Yoshi   338   3 Replies

padre

An estuary formed from a flooded glacial valley is called a:

An estuary formed from a flooded glacial valley is called a:

An estuary formed from a flooded glacial valley is called a:
A) bar-built estuary.
B) coastal plain estuary.
C) fjord.
D) tectonic estuary.
E) vertically mixed estuary.

Yoshi   522   3 Replies

padre