Test 2

43 Questions

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Test 2


Questions and Answers
  • 1. 
    Which of these answers is incorrect when describing Class Myxini
    • A. 

      Mouth contains grasping teeth

    • B. 

      Mouth is always open, jawless

    • C. 

      Has mucus glands to protects from predators

    • D. 

      Is a decomposer

  • 2. 
    Which of these is incorrect when describing Class Petromyzontidae
    • A. 

      Jawless, but have grasping teeth

    • B. 

      Reproduce in streams

    • C. 

      Ectoparasites - attach to one side of fishes

    • D. 

      Includes jellyfish, octopi, and squid

  • 3. 
    Which of these is incorrect when describing Class: Chondrichthyes
    • A. 

      Includes; Sharks, rays, and chimaeras

    • B. 

      Infinite amounts of teeth, one is replaced after another is lost

    • C. 

      All live in solidarity; none swim in schools

    • D. 

      All fish have lateral lines

  • 4. 
    Which of these is incorrect when describing Class Actinopterygii
    • A. 

      Includes; ray finned bony fishes, sea horse

    • B. 

      Least diverse class in terms of species

    • C. 

      Bony skeletons

    • D. 

      Terminal mouth

  • 5. 
    Which of these is incorrect when describing Class Sarcopterygii
    • A. 

      Live in shallow waters

    • B. 

      Paired lobe fins, large scales, gills covered by operculum

    • C. 

      Includes; lobe fin fishes

    • D. 

      Ovoviviparous

  • 6. 
    Whale sharks are the largest living fish today.
    • A. 

      True

    • B. 

      False

  • 7. 
    Most of sharks skeletons are made from bone. This helps scientists quickly identify the type of shark and its age. 
    • A. 

      True

    • B. 

      False

  • 8. 
    Lungs are internal air sacs that allow absorption of oxygen directly from the air
    • A. 

      True

    • B. 

      False

  • 9. 
    Gills are thin walled extensions of the body that are used in gas exchange 
    • A. 

      True

    • B. 

      False

  • 10. 
    ______________ are glands that secrete excess salt from an animal
    • A. 

      Salt glands

    • B. 

      Pores

    • C. 

      Blowholes

    • D. 

      Adrenal glands

  • 11. 
    ______________ is a gas filled sac just above the stomach and intestine. It allows the fish ____________ to keep from sinking or rising.
    • A. 

      Melon, buoyancy

    • B. 

      Swim bladder, buoyancy

    • C. 

      Swim bladder, balance

    • D. 

      Melon, balance

  • 12. 
    Counter-current mechanism: The blood flows in the ____________ direction to the blood through paired gills.
    • A. 

      Opposite

    • B. 

      Same

  • 13. 
    Sharks maintain a water and salt balance using an ion called urea
    • A. 

      True

    • B. 

      False

  • 14. 
    Select the animals that have salt glands (may choose more than one)
    • A. 

      Puffins

    • B. 

      Sea Turtles

    • C. 

      Grunions

    • D. 

      Marine Iguanas

    • E. 

      Salt Water Crocodiles

  • 15. 
    Select all that apply: Characteristics of Class Amphibia include:
    • A. 

      Larvae live in freshwater

    • B. 

      Scaly skin

    • C. 

      Many marine amphibians

    • D. 

      Osmoregulate similar to sharks

    • E. 

      Crab eating frog, feeds on crab and krill

  • 16. 
    Check all that apply: Class Reptilia includes,
    • A. 

      Scaly Skin

    • B. 

      Terrestrial eggs

    • C. 

      More efficient lungs

    • D. 

      Includes a larvae stage

  • 17. 
    • A. 

      Temperature Evaluator Device

    • B. 

      Technology, Entertainment, Design

    • C. 

      Turtle Excluder Device

  • 18. 
    • A. 

      To educate the public on important marine biology issues

    • B. 

      To help captured turtles and sharks escape fisherman's nets

    • C. 

      To alert the public when they are entering a sea turtle nesting area

    • D. 

      To keep turtles away from densely populated beaches

  • 19. 
    Check all that apply: Sea Turtles are endangered because,
    • A. 

      There isn't enough food for them to prey upon

    • B. 

      There are few nesting areas available

    • C. 

      They are hunted for food, jewelery, leather and oil

    • D. 

      Trash chokes them to death

  • 20. 
    Seabirds do not mate for life. they will often have many partners through out their lifetime.
    • A. 

      True

    • B. 

      False

  • 21. 
    Seabirds lay many small eggs when nesting
    • A. 

      True

    • B. 

      False

  • 22. 
    Seabirds migrate before breeding season
    • A. 

      True

    • B. 

      False

  • 23. 
    Check all that apply: Oils spills effect seabirds in that,
    • A. 

      Oil covers the water so they can't catch prey

    • B. 

      Oil covers their wings, making them to heavy to fly

    • C. 

      Oil takes away wing volume, making them cold

  • 24. 
    Check all that apply: Order Carnivora includes,
    • A. 

      Polar bears, sea otters

    • B. 

      Keystone species - remove them and the ecosystem will change

    • C. 

      Does NOT have blubber

    • D. 

      Short necks

  • 25. 
    Check all that apply: Order Pinnipedia includes,
    • A. 

      Sea lions, seals

    • B. 

      Lives primarily in the water

    • C. 

      Flippers

    • D. 

      Short neck

  • 26. 
    Check all that apply: Order Cetacea includes,
    • A. 

      Whales, dolphins, penguins

    • B. 

      Flat vertical moving tale, not side to side

    • C. 

      Nose on surface of head (blowhole)

    • D. 

      Countershading

    • E. 

      Cannot hold breath for very long

    • F. 

      Have rapid heartbeat and blood pressure in order to keep the animal warm

    • G. 

      Melon on top of head contains oil to help them with echolocation

  • 27. 
    Suspension feeder that activley filters food particles
    • A. 

      Filter feeder

    • B. 

      Deposit feeding

    • C. 

      Predator

    • D. 

      Scavenger

    • E. 

      Algal grazer

  • 28. 
    Feeding on organic matter that settles on the bottom
    • A. 

      Filter feeder

    • B. 

      Deposit feeder

    • C. 

      Predator

    • D. 

      Scavenger

    • E. 

      Algal grazer

  • 29. 
    Animal that eats another organism
    • A. 

      Filter feeder

    • B. 

      Deposit feeder

    • C. 

      Predator

    • D. 

      Scavenger

    • E. 

      Algal grazer

  • 30. 
    Animal that eats another organism
    • A. 

      Filter feeder

    • B. 

      Deposit feeder

    • C. 

      Predator

    • D. 

      Scavenger

    • E. 

      Algal Grazer

  • 31. 
    Feeding on dead organic matter
    • A. 

      Filter feeder

    • B. 

      Deposit feeder

    • C. 

      Predator

    • D. 

      Scavenger

    • E. 

      Algal grazer

  • 32. 
    Organism that feeds on algae
    • A. 

      Filter feeder

    • B. 

      Deposit feeder

    • C. 

      Predator

    • D. 

      Scavenger

    • E. 

      Algal grazer

  • 33. 
    These organisms belong to the high intertidal zone
    • A. 

      Lichens, encrusting algae, periwinkles, limpets

    • B. 

      Barnacles, mussles, seaweed, rockweed, sea stars

  • 34. 
    These organisms belong to the middle intertidal zone
    • A. 

      Irish moss, seaweed, surf grass

    • B. 

      Barnacles, mussels, seaweed, rockweed, sea stars

  • 35. 
    These organisms belong to the lower intertidal zone
    • A. 

      Irish moss, seaweed, surf grass

    • B. 

      Lichens, encrusting algae, periwinkles, limpets

  • 36. 
    ______________ is the line on the beach where the kelp gathers in bundles
    • A. 

      Epifauna Line

    • B. 

      Trash Line

    • C. 

      Wrack Line

    • D. 

      Kelp Line

  • 37. 
    • A. 

      Removal of seaweed wracks

    • B. 

      Birds

    • C. 

      Sand crabs, mussels, clams, and other crustaceans

    • D. 

      Beach goers