Oceanography Questions
Duxbury Chapter 17

  1. Match each Pelagic creature with its technical name.
    Common name Technical name
    Arrow worm
    Comb jelly
    Jellyfish
    Portugese man-of-war
    Tunicate
    Chaetognath
    Ctenophore
    Scyphozoan
    Siphonophore
    Tunicate

  2. Match each pelagic organism with the method it uses for boyancy (or other method that it uses to change its vertical position).
    Pelagic organism Boyancy mechanism
    Cuttlefishes
    Deep marine fishes
    Deep-water squid
    Jellyfishes
    Most marine fishes
    Nautilus
    Sargassum
    Sharks
    Siphonophores
    Energy expenditure
    Fat compensation
    Flexible gas containers
    Rigid gas containers

  3. What are some characteristics of a lunging fish like the grouper?
    Heterocercal tail and lack of bones
    Lunate tail and mostly red muscle
    Lunate tail and mostly white muscle
    Truncate tail and mostly red muscle
    Truncate tail and mostly white muscle

  4. What are some characteristics of a cruising fish like the tuna?
    Heterocercal tail and lack of bones
    Lunate tail and mostly red muscle
    Lunate tail and mostly white muscle
    Truncate tail and mostly red muscle
    Truncate tail and mostly white muscle

  5. What are some characteristics of sharks?
    Heterocercal tail and lack of bones
    Lunate tail and mostly red muscle
    Lunate tail and mostly white muscle
    Truncate tail and mostly red muscle
    Truncate tail and mostly white muscle

  6. Match each marine mammal with its Cetacean subclass (Odontoceti [toothed whales] or Mysticeti [baleen whales]) or Carnivore subclass (Pinnipedia).
    Marine mammal Mammalian subclass
    Blue whale
    Dolphin
    Gray whale
    Humpback whale
    Killer whale
    Minke whale
    Pilot whale
    Right whale
    Sea lion
    Sea otter
    Seal
    Sperm whale
    Walrus
    Mysticeti
    Odontoceti
    Pinnipedia
    None of the above

  7. Which of the following respiration strategies is not used by whales?
    Extract nearly all the oxygen from the air they breath
    Extracting oxygen from seawater
    High myogolbin levels in blood
    Reduction of heart rate during dives
    Shut down some organs during long dives

  8. Which whale dives to the deepest depth?
    Blue whale
    Dolphin
    Orca
    Pilot whale
    Sperm whale

  9. Which whale is the largest?
    Blue whale
    Dolphin
    Orca
    Pilot whale
    Sperm whale

  10. Which fishery is a serious hazard to dolphins?
    Anchovy
    Atlantic eel
    Pollock
    Salmon
    Tuna

  11. Which fish is anadromous?
    Anchovy
    Atlantic eel
    Pollock
    Salmon
    Tuna

  12. Which fish is catadromous?
    Anchovy
    Atlantic eel
    Pollock
    Salmon
    Tuna

  13. Which of the following conditions applies to sea horses and pipefish?
    Anadromous
    Catadromous
    Oviparous
    Ovoviviparous
    Viviparous

  14. Which of the following are all viviparous?
    Amphipods
    Bony fishes
    Sharks
    Star fishes
    Whales

  15. Which of the following abduct other creatures for protection?
    Amphipods
    Bony fishes
    Sharks
    Star fishes
    Whales

Please report any errors in the exam or problems with the program to Dr. Heaton.
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