OCC Oceanography Chapters 15-18 Baker MRSCA100 CRN21404

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OCC Oceanography Chapters 15-18 Baker MRSCA100 CRN21404
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OCC Oceanography Chapters15 18 Baker MRSCA100 CRN21404
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OCC Oceanography Chapters 15-18 Baker MRSCA100 CRN21404
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  1. Which is not a characteristic of an arthropod?
    A. Exoskeleton
    B. Striated muscle
    C. Asymmetry
    D. Articulation of appendages
    C. Asymmetry
    (this multiple choice question has been scrambled)
  2. Which animal is considered to be a suspension feeder?
    A. Fish
    B. Sea stars
    C. Sponges
    D. Crabs
    C. Sponges
    (this multiple choice question has been scrambled)
  3. What class is comprised of nautiluses, octopuses, and squid?
    A. Crustacea
    B. Gastropoda
    C. Bivalia
    D. Cephalopoda
    D. Cephalopoda
    (this multiple choice question has been scrambled)
  4. What is considered the most advanced animal phyla?
    A. Echinodermata
    B. Cnidaria
    C. Annelid
    D. Chordata
    E. Mollusca
    D. Chordata
    (this multiple choice question has been scrambled)
  5. Chondrichthyes include all of the following except:
    A. Sharks
    B. Tuna
    C. Skates
    D. Rays
    B. Tuna
    (this multiple choice question has been scrambled)
  6. What class includes bony fish species such as mackerel?
    A. Chondrichthyes
    B. Osteichthyes
    C. Osteoporosis
    D. Agnatha
    B. Osteichthyes
    (this multiple choice question has been scrambled)
  7. Which worm has a segmented body plan?
    A. Annelida
    B. Roundworms
    C. Platyhelminthes
    D. Nematodes
    A. Annelida
    (this multiple choice question has been scrambled)
  8. Amphibians
    A. are invertebrate chordates
    B. are the least successful vertebrate in the marine environment
    C. are the most successful vertebrate in the marine environment
    D. are closely related to sponges
    B. are the least successful vertebrate in the marine environment
    (this multiple choice question has been scrambled)
  9. Cnidarians are considered the most primitive true animal?
    True or False
    False
  10. Echinodermata...
    A. are represented by anemones, corals, and jellies
    B. have bilateral symmetry
    C. are found exclusively in marine habitats
    D. none of the choices
    C. are found exclusively in marine habitats
    (this multiple choice question has been scrambled)
  11. What is the transitional organism from invertebrates to vertebrates?
    A. Ophiuroids
    B. Chordata
    C. Hagfish
    D. Echinoids
    E. Salps
    B. Chordata
    (this multiple choice question has been scrambled)
  12. What makes up the greatest biomass of any species on Earth?
    A. Squid
    B. Coral
    C. King crab
    D. Copepods
    E. Krill
    E. Krill
    (this multiple choice question has been scrambled)
  13. Which of the following is an invertebrate chordate?
    A. Tunicates
    B. Hagfish
    C. Sea Hare
    D. Pteropods
    A. Tunicates
    (this multiple choice question has been scrambled)
  14. What do the simplest vertebrates lack?
    A. None of the choices
    B. Vertebrae
    C. Teeth
    D. Jaws
    D. Jaws
    (this multiple choice question has been scrambled)
  15. What comprises an arthropod’s exoskeleton?
    A. Cellulose
    B. Keratin
    C. Silica
    D. Chitin
    E. Spicules
    D. Chitin
    (this multiple choice question has been scrambled)
  16. Sea otters...
    A. have fur comprised of chitin
    B. the most recent marine mammal with respect to evolution
    C. have a continuous distribution in the Pacific from Baja California to Alaska and along Asia
    D. None of the choices
    B. the most recent marine mammal with respect to evolution
    (this multiple choice question has been scrambled)
  17. Cetaceans are comprised of Manatees, dolphins, seals, and sea otters
    True or False
    • False.
    • Cetaceans are comprised of whales, dolphins and porpoises.
  18. This suborder include the largest animals to ever inhabit the earth.
    A. Mysticete
    B. Odontocete
    C. Brontosaurus
    D. Chondrichthyes
    A. Mysticete
    (this multiple choice question has been scrambled)
  19. Barnacles are molluscs.
    True or False
    • False
    • Barnacles are phylum Anthropoda, class Cirripedia.
    • Phylum Mollusca are clams, snails, squid and octopuses.
  20. The teeth in Mysticetes are made of baleen.
    True or False
    True
  21. In terms of density, what is the most common distribution?
    A. None of the choices
    B. Clumped
    C. Uniform
    D. Random
    B. Clumped
    (this multiple choice question has been scrambled)
  22. What type of water is a mixture of both freshwater and seawater?
    A. Brackish water
    B. Freshish water
    C. Semibrine water
    D. Productive water
    A. Brackish water
    (this multiple choice question has been scrambled)
  23. What is the study of the relationships of organisms and the interactions in the community
    A. Ethology
    B. Oceanology
    C. Biology
    D. Ecology
    D. Ecology
    (this multiple choice question has been scrambled)
  24. What is a community?
    A. A group of interacting organisms of different species sharing a common living space
    B. A group of organisms of the same species
    C. The largest marine ecosystem
    D. The number of different species in an area
    A. A group of interacting organisms of different species sharing a common living space
    (this multiple choice question has been scrambled)
  25. An Estuary...
    A. Typically has brackish water
    B. Has a standing biomass per unit of surface area is the highest among any marine community
    C. All of the choices are correct
    D. Is where freshwater and seawater mix
    C. All of the choices are correct
    (this multiple choice question has been scrambled)
  26. An organism's address within it's community, it's physical location is also known as....
    A. niche
    B. population
    C. ecosystem
    D. habitat
    D. habitat
    (this multiple choice question has been scrambled)
  27. A niche is:
    A. an organism’s physical location in its community
    B. is a group of organisms of the same species occupying a specific area.
    C. an organism’s role in the community
    D. the variety of species in a given area
    C. an organism’s role in the community
    (this multiple choice question has been scrambled)
  28. Salinity, Temperature, Wave Shock are:
    A. Biological Factors
    B. Physical Factors
    C. Mechanical Factors
    D. Electromagnetic Factors
    B. Physical Factors
    (this multiple choice question has been scrambled)
  29. A stable, long-established community is known as a climax community
    True or False
    True
  30. An organism with a wide range of tolerance for salinity changes is said to be...
    A. Euryhaline
    B. Eurythermal
    C. Stenobaric
    D. Eurybaric
    E. Stenohaline
    A. Euryhaline
    (this multiple choice question has been scrambled)
  31. A stenothermal organism might be best adapted for which condition?
    A. 10-12° C
    B. 1-2° C
    C. 760-762 mm Hg
    D. 10-20° C
    B. 1-2° C
    (this multiple choice question has been scrambled)
  32. There is no photosynthesis occurring in the deep water because of the permanent darkness. For the most part, consumers rely on the biological activity above them for nutrients.
    True or False
    True
  33. What process re-establishes climax communities after a major disruption in the environment?
    A. Carrying capacity
    B. Succession
    C. Desiccation
    D. Progression
    B. Succession
    (this multiple choice question has been scrambled)
  34. This community is named the deep scattering layer due to its tendency to reflect sound pulses which make it appear like a false bottom to people above. The scattering layer itself is comprised of a dense population of fish, squid, and other vertical migrators.
    A. Coral Reef
    B. Sandy Beach
    C. Deep Scattering Layer
    D. Whale Fall
    E. Sofar Channel
    C. Deep Scattering Layer
    (this multiple choice question has been scrambled)
  35. What do many deep water organisms use for feeding and the attraction of mates?
    A. Bioluminescence
    B. Sense of smell
    C. Electrical impulses
    D. Keen eyesight
    A. Bioluminescence
    (this multiple choice question has been scrambled)
  36. Why was the feeding strategy of giant tube worms, Riftia, such a mystery to scientists when they were first discovered?
    A. These worms have no anus.
    B. All of the choices
    C. These worms have no digestive tract.
    D. These worms have no mouth.
    B. All of the choices
    (this multiple choice question has been scrambled)
  37. What can occur when organisms are exposed to air and sunlight?
    A. Motility
    B. Succession
    C. Wave shock
    D. Desiccation
    D. Desiccation
    (this multiple choice question has been scrambled)
  38. What is thought to aid the proliferation and spread of hydrothermal vents?
    A. Succession
    B. Climax communities
    C. Seep communities
    D. Whale falls
    D. Whale falls
    (this multiple choice question has been scrambled)
  39. Which is NOT a characteristic of deep water animals?
    A. Deep water organisms have a high metabolic rate.
    B. Deep water organisms tend to move slowly.
    C. Deep water organisms require little food to survive.
    D. Deep water organisms tend to have a long life span.
    A. Deep water organisms have a high metabolic rate.
    (this multiple choice question has been scrambled)
  40. Wave shock is a not a problem for intertidal organisms. It gently bathes the area around them and exerts very little force on the organisms.
    True or False
    False
  41. What is considered to be the world’s most important commercial marine product?
    A. Algin
    B. Fish
    C. Bycatch
    D. Seaweed for consumption
    A. Algin
    (this multiple choice question has been scrambled)
  42. What tools do fishermen now employ to locate schools of fish?
    A. Ariel photography
    B. Satellite sensors
    C. All of the choices
    D. Scouting vessels
    C. All of the choices
    (this multiple choice question has been scrambled)
  43. What is the fastest-growing mariculture production?
    A. Shrimp
    B. Oyster
    C. Cod
    D. Salmon
    A. Shrimp
    (this multiple choice question has been scrambled)
  44. Why does oil seep to the surface from its source rock?
    A. Oil is less dense than surrounding sediments
    B. Capillary actions
    C. None of the choices
    D. Convection
    A. Oil is less dense than surrounding sediments
    (this multiple choice question has been scrambled)
  45. What marine resource has been rendered uneconomical due to the high cost of extraction?
    A. Magnesium compounds
    B. Sand and gravel
    C. Manganese nodules
    D. Salt
    C. Manganese nodules
    (this multiple choice question has been scrambled)
  46. What is the petroleum found in marine sediments likely to have been formed from?
    A. Fossilized fish
    B. Whale falls
    C. Bacteria
    D. None of the choices
    C. Bacteria
    (this multiple choice question has been scrambled)
  47. How much of the world’s table salt is produced by the evaporation of seawater?
    A. One half
    B. One third
    C. One quarter
    D. Three-quarters
    B. One third
    (this multiple choice question has been scrambled)
  48. What is the second most valuable marine resource?
    A. Gravel
    B. Salt
    C. Gas
    D. Oil
    A. Gravel
    (this multiple choice question has been scrambled)
  49. What is the main species of whale targeted by the Japanese and Norwegian whalers?
    A. Sei whales
    B. Fin whales
    C. Minke whales
    D. Humpback whales
    C. Minke whales
    (this multiple choice question has been scrambled)
  50. What kind of resource is waste disposal?
    A. Extractive resource
    B. Marine energy resource
    C. Nonextractive resource
    D. Biological resource
    E. Physical resource
    C. Nonextractive resource
    (this multiple choice question has been scrambled)
  51. What is bycatch?
    A. The number of organisms caught in a trawl
    B. Organisms unintentionally killed during the harvesting of a different, desirable species
    C. The number of organisms that can be harvested without impairing future generations
    D. The targeted organisms for a harvest
    B. Organisms unintentionally killed during the harvesting of a different, desirable species
    (this multiple choice question has been scrambled)
  52. Who is responsible for the consumption of approximately a quarter of the global oil supply?
    A. United States
    B. China
    C. India
    D. United Kingdom
    A. United States
    (this multiple choice question has been scrambled)
  53. Many harvested marine animals are sustainable because they are being caught below the maximum sustainable yield.
    True or False
    False
  54. Nonrenewable resources are unable to be replenished over short time spans. These resources include oil, gas, and solid mineral deposits.
    True or False
    True
  55. The motion of the waves can be used to generate energy.
    True or False
    True
  56. Algin is a biological resource extracted from seaweed and is an important commercial product used:
    A. as a thickener or emulsifier
    B. to stiffen fabrics
    C. to prevent large crystals in ice cream
    D. to clarify beer and/or wine
    E. all of the choices
    E. all of the choices
    (this multiple choice question has been scrambled)
  57. Of the top five fish-harvesting nations, which one catches the most?
    A. Peru
    B. United States
    C. Chile
    D. Indonesia
    E. China
    E. China
    (this multiple choice question has been scrambled)
  58. A mid-water trawl net is large enough to:
    A. encircle theHimalayas
    B. hold one dozen 747 jet liners
    C. none of the choices
    D. enclose the grand canyon
    B. hold one dozen 747 jet liners
    (this multiple choice question has been scrambled)
  59. An unintentional but unavoidable consequence of drift net fishing is the drowning of larger non-target species such as sea lions, sharks, and other large animals.
    True or False
    True
  60. Archaean organisms can be used in detergents.
    True or False
    True
  61. What determines an organism’s response to a particular pollutant?
    A. The quantity of the pollutant
    B. All of the choices
    C. The persistence of the pollutant
    D. The toxicity of the pollutant
    B. All of the choices
    (this multiple choice question has been scrambled)
  62. How long does it take for many plastics to decompose?
    A. 400 years
    B. 250 years
    C. 1,000,000 years
    D. 100 years
    E. 50 years
    A. 400 years
    (this multiple choice question has been scrambled)
  63. How long does marine life usually tend to recover from a crude oil spill?
    A. 100 years
    B. 30 years
    C. 5 years
    D. 2 years
    C. 5 years
    (this multiple choice question has been scrambled)
  64. Who was responsible for the environmental movement?
    A. Sylvia Earle
    B. Charles Darwin
    C. Edward Ricketts
    D. Rachel Carson
    D. Rachel Carson
    (this multiple choice question has been scrambled)
  65. What happens when corals exceed their normal temperatures for too long of a period of time?
    A. Coral polyps grow excessively
    B. None of the choices
    C. Corals eject their zooxanthellae
    D. Corals break down their shells
    C. Corals eject their zooxanthellae
    (this multiple choice question has been scrambled)
  66. How do the insoluble components of oil affect the ocean?
    A. Clog feeding structures
    B. All of the choices
    C. Prevent free diffusion of gas
    D. Decrease the amount of light penetrating the surface
    B. All of the choices
    (this multiple choice question has been scrambled)
  67. Why is the ozone layer important?
    A. It moderates Earth's temperature
    B. It increases the Earth's temperature.
    C. It protects Earth from ultraviolet rays.
    D. It stabilizes the atmospheric layers.
    C. It protects Earth from ultraviolet rays.
    (this multiple choice question has been scrambled)
  68. What percentage of marine pollutants originates from human activities on land?
    A. 1%
    B. 77%
    C. 33%
    D. 10%
    B. 77%
    (this multiple choice question has been scrambled)
  69. Based on MARPOL, what type of material is illegal to dump at sea any distance from shore?
    A. None of the choices
    B. Plastic
    C. Dunnage
    D. Metal
    B. Plastic
    (this multiple choice question has been scrambled)
  70. Where does the largest addition of oil to the ocean come from?
    A. None of the choices
    B. Extraction of crude oil
    C. Transportation of oil
    D. Natural seeps of crude oil
    D. Natural seeps of crude oil
    (this multiple choice question has been scrambled)
  71. Although these are all common in our atmosphere, which one is not a greenhouse gas?
    A. Carbon dioxide
    B. Methane
    C. Water vapor
    D. Nitrogen
    D. Nitrogen
    (this multiple choice question has been scrambled)
  72. Which of the greenhouse gases is considered the number one global warming gas?
    A. Carbon dioxide
    B. Methane
    C. Nitrogen
    D. Water vapor
    A. Carbon dioxide
    (this multiple choice question has been scrambled)
  73. Which habitat is the most impacted by pollutants?
    a. Estuaries
    b. Intertidal zones
    c. Deep- water zones
    d. None of the choices
    • Which habitat is the most impacted by pollutants?
    • a. Estuaries
  74. What is favorable news associated with global warming—perhaps one of the few advantages?
    A. There will be a rise in sea level
    B. There will be more wildfires
    C. The Northwest Passage may open
    D. There will be more rainfall
    C. The Northwest Passage may open
    (this multiple choice question has been scrambled)
  75. Crude oil is more harmful to the environment than refined oil.
    True or False
    False
  76. The acceptance of global energy change is difficult because fossil fuels power most of the world economies.
    True or False
    True
  77. The depletion of the ozone layer near the poles had a major impact on the productivity of plankton. This is because the plankton was receiving too much .
    A. UV Light
    B. Carbon dioxide
    C. Infrared Light
    D. Water vapor
    A. UV Light
    (this multiple choice question has been scrambled)
  78. In some cases, areas where oil spills were cleaned had communities in worse shape than in areas where an oil spill was left alone.
    True or False
    True
  79. There is an area is the North East Pacific where plastic has been accumulating for a long time and has come to be known as:
    A. None of the choices
    B. The East Pacific Garbage Patch
    C. The North Pacific Plastic Gyre
    D. The East Ocean Plastic Dump
    B. The East Pacific Garbage Patch
    (this multiple choice question has been scrambled)
  80. Until recently, in the past 400,000 years, carbon dioxide had never exceeded _______ ppm.
    A. 100
    B. 300
    C. 400
    D. 200
    B. 300
    (this multiple choice question has been scrambled)
  81. In what era do we see the most dramatic rise in carbon dioxide?
    A. Renaissance
    B. The Industrial Revolution
    C. Dark Ages
    D. Bubonic plague
    B. The Industrial Revolution
    (this multiple choice question has been scrambled)

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