Chapter 8 Online Study Guide

13 Questions | Total Attempts: 215

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Study Guide Quizzes & Trivia

Chapter 8 study guide. You should work on this by yourself, do not give or receive answers!


Questions and Answers
  • 1. 
    Briefly describe the theory of Island biogeography. Be sure to include size, distance, extinction and immigration rates.
  • 2. 
    Read the connections on page 179. Answer the critical thinking (should be several complete sentences)
  • 3. 
    From the fist page. A study in Samoa found that _______% of the seeds landing on the ground during the dry season were deposited by flying goxes. Pollinators are often times keystone species!!!!!! If they dissapear then the entire ecosystem suffers.
    • A. 

      20-40%

    • B. 

      40-60%

    • C. 

      60-80%

    • D. 

      80-100%

  • 4. 
    The edge effect is important in the physical appearnce and population distribution of an ecosystem. For Example, the edge area between a forest and an open field may (1) b eunnier, warmer, and drier than the forest interior and (2) have a different combination of species than the forest and field interiors. Popular wild game animals, such as _______ and white-tailed deer, often are moer plentiful in edges and ecotones between forests and fields.
    • A. 

      Feral hogs

    • B. 

      Wolves

    • C. 

      Pheasants

    • D. 

      Red-winged nuthatches

  • 5. 
    Looking at species diversity. Research shows that in marine communities species diversity increases from the suface to a depth of 2,000 meters (6,600 feet) and then begins to decline with depth. Look at figure 8.4 In graph A which animal are they looking at?
    • A. 

      Snails

    • B. 

      Frogs

    • C. 

      Clown fish

    • D. 

      Tube worms

  • 6. 
    Read the section on introduced species. Killer bees were introduced to which Country in the Americas?
    • A. 

      Mexico

    • B. 

      Guatemala

    • C. 

      Brazil

    • D. 

      Ecuador

  • 7. 
    Which of the following species interactions is between the same species?
    • A. 

      Intraspecific competition

    • B. 

      Interspecific competition

  • 8. 
    Read about resource partitioning. In figure 8-11 warblers demonstrate resource partitioning. When was this paper on resource partitioning published?
    • A. 

      1958

    • B. 

      1972

    • C. 

      1932

    • D. 

      1999

  • 9. 
    What organisms are found in the guts of termites and digest the wood that the termites eat?
    • A. 

      Bacteria

    • B. 

      Protozoans

    • C. 

      Fungi

    • D. 

      Yeast

  • 10. 
    Which of the following plant species would be an example of a pioneer species?
    • A. 

      Tree

    • B. 

      Annuals

    • C. 

      Lichen

    • D. 

      Perennials

  • 11. 
    Which type of succession would be exemplified by an abandoned Wal Mart parking lot?
    • A. 

      Primary Succession

    • B. 

      Secondary Succession

    • C. 

      Tertiary Succession

    • D. 

      Quaternary Succession

  • 12. 
    What type of succession would follow a fire (Texas has had a historic year for fires and this type of succession is occuring throughout the state)
    • A. 

      Primary Succession

    • B. 

      Secondary Succession

    • C. 

      Tertiary Succession

    • D. 

      Quaternary Succession

  • 13. 
    Which type of mimicry would be a milk snakes (harmless) that resembles the venomous coral snake?
    • A. 

      Batesian

    • B. 

      Mullerian

    • C. 

      Aposematic

    • D. 

      Allelopathy

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