Biogeography Questions And Answers

28 Questions | Total Attempts: 25

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Biogeography Questions And Answers

Biogeography can be defined as the study of the distribution of plants, animals, and ecosystems through geographical space and time. To enhance your knowledge in this area and learn interesting information, get started with the online Biogeography quiz.


Questions and Answers
  • 1. 
    The only natural groups in a cladogram are monophyletic groups
    • A. 

      True

    • B. 

      False

  • 2. 
    Which is not a possible representation of a species?
    • A. 

      A morphologically diagnosable group

    • B. 

      A phylogenetically diagnosable group

    • C. 

      Largest set of reproductively compatible populations

    • D. 

      An electrically diagnosable group

  • 3. 
    Morphology, genetic variation, etc. imply reproductive isolation
    • A. 

      True

    • B. 

      False

  • 4. 
    The two allopatric speciation modes are vicariance and peripheral isolation
    • A. 

      True

    • B. 

      False

  • 5. 
    For sympatric speciation to occur, something in a population must form a reproductively isolating mechanism.
    • A. 

      True

    • B. 

      False

  • 6. 
    In parapatric speciation, populations have very little geographic separation with areas known as hybrid zones.
    • A. 

      True

    • B. 

      False

  • 7. 
    Select all examples of ecological character displacement.
    • A. 

      Darwin's finches

    • B. 

      Hawaiian honeycreepers

    • C. 

      Lake Malawi cichlids

    • D. 

      Frog lineages in India, Madagascar, and Africa

    • E. 

      Galapagos Tortoises

  • 8. 
    The predictive extinction times increase when birth rate is high but the population size is small.
    • A. 

      True

    • B. 

      False

  • 9. 
    Extinction represents a failure of a population or species to respond (adapt, shift range) to a changing ecology.
    • A. 

      True

    • B. 

      False

  • 10. 
    Before the 1960s, biogeography was constrained by a "static earth" model of Earth history
    • A. 

      True

    • B. 

      False

  • 11. 
    The "Static Earth" model of Earth History required geologically unsupportable land bridges.
    • A. 

      True

    • B. 

      False

  • 12. 
    Wegener's Model was correct in concept (continental blocks drifting apart following breakup of PANGEA) but wrong in details (timing, processes)
    • A. 

      True

    • B. 

      False

  • 13. 
    Wegner's evidence was highly integrative utilizing geology, geophysics, paleoclimatology, paleontology, and biogeography. His evidence included...
    • A. 

      Continental rocks (granitic sial) being lighter than oceanic rocks (basaltic sima)

    • B. 

      Oceanic rocks (basaltic sima) being lighter than continental rocks (granitic sial)

    • C. 

      Glacial striations

    • D. 

      Fossil record

    • E. 

      Sea Level Fluctuations

  • 14. 
    Which of the following statements about Wegener's evidence of continental and oceanic rocks was proven to be correct?
    • A. 

      There was an original supercontinent known as Pangea

    • B. 

      Continents could "float" across and plow through oceanic rocks

  • 15. 
    Which of the following are reasons why there was a negative reaction to Wegener's theory
    • A. 

      Not enough geological evidence

    • B. 

      Conflict with preconceived ideas

    • C. 

      Many factual errors

    • D. 

      Lacked plausible mechanism

    • E. 

      Not considered to be a 'real geologist'

    • F. 

      Not enough funding to research

  • 16. 
    Biological Species are often implied from genetic variation of morphology, genetic variation, etc.
    • A. 

      True

    • B. 

      False

  • 17. 
    Vicariance is often associated with ancestral continents fragmenting.
    • A. 

      True

    • B. 

      False

  • 18. 
    Which is a result of obliquity?
    • A. 

      High latitude seasonality

    • B. 

      Difference in low/high latitude radation

    • C. 

      Seasonal differences greater or lesser if coincident or not with aphelion/perhelion

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