Biology Final Part I

40 Questions | Total Attempts: 171

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Biology Quizzes & Trivia

These are the first 40 questions


Questions and Answers
  • 1. 
    The lower limit of the intertidal zone is the:
    • A. 

      Average high tide

    • B. 

      Average middle tide

    • C. 

      Lowest tide

  • 2. 
    The particular characteristic most widely used in classifying intertidal communities:
    • A. 

      Types of tides

    • B. 

      Types of substrates

    • C. 

      Types of seaweeds

  • 3. 
    Regarding the origin of rocky coasts, it is known that this type of shore is present along:
    • A. 

      Coasts being affected by ice sheets

    • B. 

      Geologically old coasts being covered by sediments

    • C. 

      Geologically young coasts

  • 4. 
    The sessile epifauna consists of:
    • A. 

      Attached seaweeds

    • B. 

      Attached animals

    • C. 

      Pelagic organisms

  • 5. 
    Many rocky-shore animals cope with desiccation by:
    • A. 

      Moving up the intertidal

    • B. 

      Crowding in areas that are always moist

    • C. 

      Moving out of the tide pools

  • 6. 
    Which type of shell would be most suited to live on a rocky shore that is exposed at a low tide?
    • A. 

      Black, smooth

    • B. 

      White, rigid

    • C. 

      Black, rigid

  • 7. 
    Most sessile animals living on rocky shores are:
    • A. 

      Filter feeders

    • B. 

      Carnivores

    • C. 

      Deposit feeders

  • 8. 
    One of these organisms is expected to be relatively rare on a rocky shore:
    • A. 

      Filter feeder

    • B. 

      Grazer

    • C. 

      Deposit feeder

  • 9. 
    If a rocky shore highly exposed to wave action is compared to a similar rocky shore that is a lot less exposed to wave action, we should expect that barnacles living on the more exposed shore show a:
    • A. 

      Wider vertical distribution

    • B. 

      Narrower vertical distribution

    • C. 

      Narrower tolerance to temperature

  • 10. 
    The reason why rocky shores have few deposit feeders:
    • A. 

      Abundant detritus

    • B. 

      High wave action

    • C. 

      High salinity

  • 11. 
    Refraction causes waves to:
    • A. 

      Slow down

    • B. 

      Approach the shore at an angle

    • C. 

      Become more parallel to the shore

  • 12. 
    One of these is more important than others as a limiting resource in intertidal communities:
    • A. 

      Space

    • B. 

      Food

    • C. 

      Light

  • 13. 
    Vertical zonation on rocky intertidal communities is typically determined by:
    • A. 

      Wave action

    • B. 

      Exposure

    • C. 

      Predation

  • 14. 
    The upper rocky limit of rocky intertidal communities is typically determined by:
    • A. 

      Biological factors only

    • B. 

      Physical factors only

    • C. 

      Neither

  • 15. 
    One organism typical of the upper intertidal on rocky shores:
    • A. 

      Mussels

    • B. 

      Barnacles

    • C. 

      Periwinkles

  • 16. 
    The middle intertidal is characterized by:
    • A. 

      Exposure by splash and spray

    • B. 

      Exposure and immersion on a regular basis

    • C. 

      Long exposures to air

  • 17. 
    An example of a keystone predator on rocky shores:
    • A. 

      Periwinkles

    • B. 

      Limpets

    • C. 

      Sea stars

  • 18. 
    Predation by sea stars on rocky shores ultimately results in:
    • A. 

      Fewer species

    • B. 

      More species

    • C. 

      The same amount of species

  • 19. 
    Ecological succession ultimately results in:
    • A. 

      A climax community

    • B. 

      Keystone predation

    • C. 

      Vertical zonation

  • 20. 
    In addition to space, another factor that is typically limiting in the lower intertidal along rocky shores is:
    • A. 

      Salinity

    • B. 

      Grazing

    • C. 

      Temperature

  • 21. 
    One of these organismsis typically a very rare component of soft-bottom intertidal communities:
    • A. 

      Burrowing organisms

    • B. 

      Seaweeds

    • C. 

      Infauna

  • 22. 
    Most animals living on sandy beaches are included among the:
    • A. 

      Infauna

    • B. 

      Deposit feeders

    • C. 

      Epifauna

  • 23. 
    Fine sediments are a characteristic of:
    • A. 

      Shores exposed to wave action

    • B. 

      Rocky shores

    • C. 

      Calm, less exposed shores

  • 24. 
    In terms of oxygen, the interstitial water in muddy bottoms:
    • A. 

      Is deficient in it

    • B. 

      Has plenty

    • C. 

      Is deficient only during the day

  • 25. 
    The main source of food in muddy bottom intertidal communities:
    • A. 

      Seaweeds

    • B. 

      Detritus

    • C. 

      Large prey

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