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Oceanography Exam 2

Created by kendawyels

ch 11

  1.  
    Which of the following word pairs correctly link a descriptor with the way in which the organism lives in the ocean?
    A. benthos—swim B. benthos—drift C. plankton—bottom-dwelling D. nekton—swim E. nekton—bottom-dwelling
  2.  
    Nekton are restricted to particular ocean areas by ________.
    A. changes in salinity B. availability of food C. temperature variations with latitude and depth D. differences in water pressure with depth E. All of the above conditions may restrict the distribution of nekton.
  3.  
    High-latitude ocean water tends to support large planktonic communities because ________.
    A. of higher dissolved carbon dioxide B. of higher dissolved oxygen and nutrient concentrations C. there is abundant light D. there are fewer predators that feed on plankton E. of the longer summer day length
  4.  
    Compared to freshwater fishes, marine fishes ________.
    A. tend to gain water by osmosis since their internal salt concentration is higher than that of seawater B. drink seawater and produce a large volume of urine C. do not drink seawater in an effort to conserve as much water as possible D. produce a large volume of dilute urine in an effort to rid their bodies of excess water E. tend to lose water by osmosis since their internal salt concentration is lower than that of seawater
  5.  
    The color pattern in which marine organisms are light on the bottom and dark on the top of their bodies camouflaging them against the water-air interface is ________.
    A. defensive coloration B. warning coloration C. cryptic coloration D. countershading E. disruptive coloration
  6.  
    The seasonal temperature range in the deep ocean is usually ________.
    A. between −2° and 32°C B. between 2° and 8°C C. between 0° and 15°C D. negligible
  7.  
    Neritic marine environments would be found ________.
    A. in subduction zones B. within a deep-sea trench C. associated with continental shelves D. deep in the ocean basin E. at mid-ocean ridges
  8.  
    The euphotic zone is confined to the ________.
    A. bathypelagic zone B. neritic province C. abyssopelagic zone D. epipelagic zone E. mesopelagic zone
  9.  
    The single most important factor that determines the distribution of life in the oceanic province is ________.
    A. diffusion B. salinity C. temperature D. pressure E. sunlight
  10.  
    Which of the following kingdoms has only a few species living in the marine environment?
    A. Animalia B. Archaebacteria C. Eubacteria D. Protista E. Plantae
  11.  
    Most marine animals have specially designed fibrous respiratory organs called ________ that exchange oxygen and carbon dioxide directly with seawater.
    A. lungs B. gills C. bladder D. lobes E. osmosis
  12.  
    The fundamental unit of taxonomic classification is the ________.
    A. Phylum B. Order C. Family D. Species E. Genus
  13.  
    All organisms that drift with ocean currents are classified as ________.
    A. benthos B. nekton C. plantae D. fungi E. plankton
  14.  
    Which of the following types of plankton can photosynthesize and produce its own food?
    A. Photoplankton B. Holoplankton C. Phytoplankton D. Synthoplankton E. Zooplankton
  15.  
    The process of water molecules moving through semipermeable membrane from a less concentrated solution to a more concentrated solution is called ________.
    A. osmosis B. mixing C. convection D. diffusion E. conduction
  16.  
    Which of the following terms describes organisms living on the surface of the sea floor attached to rocks?
    A. Planktofauna B. Infauna C. Nektobenthos D. Benthonektos E. Epifauna
  17.  
    Water's viscosity is a ________ to planktonic organism and a ________ to nektonic organisms.
    A. hindrance; help B. help; help C. help; hindrance D. Water's viscosity has no impact on both planktonic and nektonic organisms. E. hindrance; hindrance
  18.  
    The process of molecules moving through water from areas of high concentration to areas of low concentration due to the random motion of molecules is called ________.
    A. diffusion B. convection C. osmosis D. conduction E. mixing
  19.  
    A dissolved oxygen minimum layer occurs in the ________ zone.
    A. mesopelagic B. epipelagic C. bathypelagic D. abyssopelagic E. nektopelagic
  20.  
    The ________ zone consists only of deep trenches along the margins of continents.
    A. bathyal B. subneritic C. littoral D. abyssal E. hadal
Answer Key
Hide Answer Key

Oceanography Exam 2 (Answer Key)

Created by kendawyels

ch 11

  1.  
    Which of the following word pairs correctly link a descriptor with the way in which the organism lives in the ocean?
    A. benthos—swim B. benthos—drift C. plankton—bottom-dwelling D. nekton—swim E. nekton—bottom-dwelling
  2.  
    Nekton are restricted to particular ocean areas by ________.
    A. changes in salinity B. availability of food C. temperature variations with latitude and depth D. differences in water pressure with depth E. All of the above conditions may restrict the distribution of nekton.
  3.  
    High-latitude ocean water tends to support large planktonic communities because ________.
    A. of higher dissolved carbon dioxide B. of higher dissolved oxygen and nutrient concentrations C. there is abundant light D. there are fewer predators that feed on plankton E. of the longer summer day length
  4.  
    Compared to freshwater fishes, marine fishes ________.
    A. tend to gain water by osmosis since their internal salt concentration is higher than that of seawater B. drink seawater and produce a large volume of urine C. do not drink seawater in an effort to conserve as much water as possible D. produce a large volume of dilute urine in an effort to rid their bodies of excess water E. tend to lose water by osmosis since their internal salt concentration is lower than that of seawater
  5.  
    The color pattern in which marine organisms are light on the bottom and dark on the top of their bodies camouflaging them against the water-air interface is ________.
    A. defensive coloration B. warning coloration C. cryptic coloration D. countershading E. disruptive coloration
  6.  
    The seasonal temperature range in the deep ocean is usually ________.
    A. between −2° and 32°C B. between 2° and 8°C C. between 0° and 15°C D. negligible
  7.  
    Neritic marine environments would be found ________.
    A. in subduction zones B. within a deep-sea trench C. associated with continental shelves D. deep in the ocean basin E. at mid-ocean ridges
  8.  
    The euphotic zone is confined to the ________.
    A. bathypelagic zone B. neritic province C. abyssopelagic zone D. epipelagic zone E. mesopelagic zone
  9.  
    The single most important factor that determines the distribution of life in the oceanic province is ________.
    A. diffusion B. salinity C. temperature D. pressure E. sunlight
  10.  
    Which of the following kingdoms has only a few species living in the marine environment?
    A. Animalia B. Archaebacteria C. Eubacteria D. Protista E. Plantae
  11.  
    Most marine animals have specially designed fibrous respiratory organs called ________ that exchange oxygen and carbon dioxide directly with seawater.
    A. lungs B. gills C. bladder D. lobes E. osmosis
  12.  
    The fundamental unit of taxonomic classification is the ________.
    A. Phylum B. Order C. Family D. Species E. Genus
  13.  
    All organisms that drift with ocean currents are classified as ________.
    A. benthos B. nekton C. plantae D. fungi E. plankton
  14.  
    Which of the following types of plankton can photosynthesize and produce its own food?
    A. Photoplankton B. Holoplankton C. Phytoplankton D. Synthoplankton E. Zooplankton
  15.  
    The process of water molecules moving through semipermeable membrane from a less concentrated solution to a more concentrated solution is called ________.
    A. osmosis B. mixing C. convection D. diffusion E. conduction
  16.  
    Which of the following terms describes organisms living on the surface of the sea floor attached to rocks?
    A. Planktofauna B. Infauna C. Nektobenthos D. Benthonektos E. Epifauna
  17.  
    Water's viscosity is a ________ to planktonic organism and a ________ to nektonic organisms.
    A. hindrance; help B. help; help C. help; hindrance D. Water's viscosity has no impact on both planktonic and nektonic organisms. E. hindrance; hindrance
  18.  
    The process of molecules moving through water from areas of high concentration to areas of low concentration due to the random motion of molecules is called ________.
    A. diffusion B. convection C. osmosis D. conduction E. mixing
  19.  
    A dissolved oxygen minimum layer occurs in the ________ zone.
    A. mesopelagic B. epipelagic C. bathypelagic D. abyssopelagic E. nektopelagic
  20.  
    The ________ zone consists only of deep trenches along the margins of continents.
    A. bathyal B. subneritic C. littoral D. abyssal E. hadal

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