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Oceanography Exam 2

Created by kendawyels

ch 14

  1.  
    The most important limiting factor in rocky intertidal communities is ________.
    A. nutrients B. light C. food D. predation E. space
  2.  
    Some organisms living in the high water portion of the intertidal zone cannot survive in the supralittoral zone because they ________.
    A. are sessile B. cannot tolerate fluctuating salinity C. have planktonic larval forms D. cannot tolerate desiccation or drying out E. cannot tolerate temperature fluctuations
  3.  
    The most successful adaptation for living on a sediment-covered shore is ________.
    A. attachment to the substrate B. swimming C. sessile lifestyle D. flattened body shape E. burrowing into the sediment
  4.  
    Organisms that live in the spaces between sediment particles are called ________.
    A. subfauna B. meiofauna C. mesofauna D. epifauna E. microfauna
  5.  
    Which of the following factors does not limit coral growth?
    A. Low nutrient levels in the water B. Low light C. High sediment load in the water D. Water temperatures below 18°C
  6.  
    Zooxanthellae are autotrophic marine protists that are found in the living tissues of some simple marine invertebrates such as corals, sea anemones, and jellyfish. Zooxanthellae are ________.
    A. golden algae B. dinoflagellates C. protozoans D. foraminifera E. bacteria
  7.  
    The relationship between the protistan zooxanthellae and the polyps of reef-building corals is best described as a/an ________.
    A. mutualistic symbiosis B. obligate endoparasitism C. obligate commensalism D. facultative ectoparasitism E. facultative commensalism
  8.  
    The loss of color (coral bleaching) in coral reef organisms can be a result of ________.
    A. increase in zooxanthellae concentrations B. crown-of-thorn sea stars C. fungal parasites D. loss of zooxanthellae E. fungal parasites
  9.  
    Primary producers in hydrothermal vent communities are ________.
    A. Riftia tubeworms B. eyeless shrimp C. algae D. giant clams E. sulfur-oxidizing archaea
  10.  
    The three varieties of seeps on the seafloor include hypersaline, hydrocarbon, and ________.
    A. abyssal plain seeps B. seamount seeps C. subduction zone seeps D. deep-sea trench seeps E. mid-ocean ridge seeps
  11.  
    Which of the following are among the first organisms to colonize a rocky shore?
    A. Sea cucumber B. Sea urchin C. Rock louse D. Rock weed E. Sea anemone
  12.  
    Which of the following digests the edible tissue inside a mussel shell by turning its stomach inside out and slipping it through the crack in the shell?
    A. Snails B. Sea urchin C. Sea Anemones D. Limpets E. Sea stars
  13.  
    Which of the following sediment-covered shores represents the lowest-energy environment?
    A. Salt marshes B. Sand beaches C. Mud flats D. Pebble berms E. Boulder beaches
  14.  
    The most important members of hydrothermal vent biocommunities are microscopic ________.
    A. Archaea B. Bacteria C. Zooxanthellae D. Ediacaria E. Eukarya
  15.  
    The distribution of benthic biomass is related to ________.
    A. wave energy B. primary productivity C. sediment variety D. current patterns E. thermocline depth
  16.  
    Which of the following protects itself with stinging needlelike cells called nematocysts?
    A. Snails B. Sea urchin C. Limpets D. Sea Anemones E. Sea stars
  17.  
    The intertidal zonation of sediment-covered shores is best developed on a ________ sloping, ________-sand beach.
    A. gentle; fine B. steeply; fine C. gentle; coarse D. steeply; coarse
  18.  
    Under ideal conditions, the giant brown bladder kelp can grow up to two ________ per day.
    A. feet B. meters C. yards D. inches
  19.  
    The common annelid found in a sandy beach environment is the ________.
    A. fan worm B. clam C. feather duster worm D. lugworm E. ghost crab
  20.  
    Stinging cells and camouflage are adaptations to cope with which of the following adverse conditions of the rocky intertidal zone?
    A. Predators B. Drying out during low tide C. Lack of space or attachment sites D. Difficulty finding mates E. Strong wave activity
Answer Key
Hide Answer Key

Oceanography Exam 2 (Answer Key)

Created by kendawyels

ch 14

  1.  
    The most important limiting factor in rocky intertidal communities is ________.
    A. nutrients B. light C. food D. predation E. space
  2.  
    Some organisms living in the high water portion of the intertidal zone cannot survive in the supralittoral zone because they ________.
    A. are sessile B. cannot tolerate fluctuating salinity C. have planktonic larval forms D. cannot tolerate desiccation or drying out E. cannot tolerate temperature fluctuations
  3.  
    The most successful adaptation for living on a sediment-covered shore is ________.
    A. attachment to the substrate B. swimming C. sessile lifestyle D. flattened body shape E. burrowing into the sediment
  4.  
    Organisms that live in the spaces between sediment particles are called ________.
    A. subfauna B. meiofauna C. mesofauna D. epifauna E. microfauna
  5.  
    Which of the following factors does not limit coral growth?
    A. Low nutrient levels in the water B. Low light C. High sediment load in the water D. Water temperatures below 18°C
  6.  
    Zooxanthellae are autotrophic marine protists that are found in the living tissues of some simple marine invertebrates such as corals, sea anemones, and jellyfish. Zooxanthellae are ________.
    A. golden algae B. dinoflagellates C. protozoans D. foraminifera E. bacteria
  7.  
    The relationship between the protistan zooxanthellae and the polyps of reef-building corals is best described as a/an ________.
    A. mutualistic symbiosis B. obligate endoparasitism C. obligate commensalism D. facultative ectoparasitism E. facultative commensalism
  8.  
    The loss of color (coral bleaching) in coral reef organisms can be a result of ________.
    A. increase in zooxanthellae concentrations B. crown-of-thorn sea stars C. fungal parasites D. loss of zooxanthellae E. fungal parasites
  9.  
    Primary producers in hydrothermal vent communities are ________.
    A. Riftia tubeworms B. eyeless shrimp C. algae D. giant clams E. sulfur-oxidizing archaea
  10.  
    The three varieties of seeps on the seafloor include hypersaline, hydrocarbon, and ________.
    A. abyssal plain seeps B. seamount seeps C. subduction zone seeps D. deep-sea trench seeps E. mid-ocean ridge seeps
  11.  
    Which of the following are among the first organisms to colonize a rocky shore?
    A. Sea cucumber B. Sea urchin C. Rock louse D. Rock weed E. Sea anemone
  12.  
    Which of the following digests the edible tissue inside a mussel shell by turning its stomach inside out and slipping it through the crack in the shell?
    A. Snails B. Sea urchin C. Sea Anemones D. Limpets E. Sea stars
  13.  
    Which of the following sediment-covered shores represents the lowest-energy environment?
    A. Salt marshes B. Sand beaches C. Mud flats D. Pebble berms E. Boulder beaches
  14.  
    The most important members of hydrothermal vent biocommunities are microscopic ________.
    A. Archaea B. Bacteria C. Zooxanthellae D. Ediacaria E. Eukarya
  15.  
    The distribution of benthic biomass is related to ________.
    A. wave energy B. primary productivity C. sediment variety D. current patterns E. thermocline depth
  16.  
    Which of the following protects itself with stinging needlelike cells called nematocysts?
    A. Snails B. Sea urchin C. Limpets D. Sea Anemones E. Sea stars
  17.  
    The intertidal zonation of sediment-covered shores is best developed on a ________ sloping, ________-sand beach.
    A. gentle; fine B. steeply; fine C. gentle; coarse D. steeply; coarse
  18.  
    Under ideal conditions, the giant brown bladder kelp can grow up to two ________ per day.
    A. feet B. meters C. yards D. inches
  19.  
    The common annelid found in a sandy beach environment is the ________.
    A. fan worm B. clam C. feather duster worm D. lugworm E. ghost crab
  20.  
    Stinging cells and camouflage are adaptations to cope with which of the following adverse conditions of the rocky intertidal zone?
    A. Predators B. Drying out during low tide C. Lack of space or attachment sites D. Difficulty finding mates E. Strong wave activity

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