General Ecology Quiz

13 Questions  I  By DoryT
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Ecology Quizzes & Trivia
General ecology quiz. Anyone with basic ecological knowledge can take it.

  
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Questions and Answers

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  • 1. 
    Where would competition be more intense -> Between the same species (intraspecific) or between two different species (interspecific)?
    • A. 

      Intraspecific

    • B. 

      Interspecific

    • C. 

      Neither - they're both equal in intensity

    • D. 

      Prey competition - intraspecific. Predator - Interspecific.


  • 2. 
    There are 5 species of birds, all of them eat fruits, but each bird eats a fruit of different size. This is an example of:
    • A. 

      The wisdom of evolution

    • B. 

      Coevolution

    • C. 

      Resource partitioning

    • D. 

      Commensalism

    • E. 

      Mutualism


  • 3. 
    Keystone species are
    • A. 

      Species important in medicine

    • B. 

      Species that determines that shape of the community

    • C. 

      The prime predators of a population

    • D. 

      Species that were brought up in Keystone, South Dakota


  • 4. 
    When are wildfires good?
    • A. 

      Never!

    • B. 

      Only if the forest bothers humans.

    • C. 

      Only to prevent from less fire-resistant plants to emerge that can cause greater fires

    • D. 

      When there are a lot of predators in the forest


  • 5. 
    Plants grow in the best manner when silt, clay and sand are in equal distribution in the ground.
    • A. 

      True

    • B. 

      False


  • 6. 
    What are holoparasites?
    • A. 

      Microbial parasites

    • B. 

      Plants that do not undergo photosynthesis and get all their resources from other plants.

    • C. 

      Parasites that complete their life cycle by exploiting the social behavior of other species

    • D. 

      Parasites that live on the host

    • E. 

      Parasites that live in the host


  • 7. 
    Parasitoids are parasitic flatworms that always kill the host they're in
    • A. 

      True

    • B. 

      False


  • 8. 
    Many of the the predators-prey adaptations have been created by _________

  • 9. 
    What are the limiting reasons that a distant island will quit generating new species?
    • A. 

      Distance effect

    • B. 

      Area effect

    • C. 

      Answer A+B are correct

    • D. 

      Neither answer is correct


  • 10. 
    Eutrophication
    • A. 

      The turning of a lush biome to a tundra

    • B. 

      Strong vertical motions that carry oxygen from the utmost part of a water to the lowest part, and uplift nutrition

    • C. 

      Desertification of an area that used to be rich with nutrition

    • D. 

      General name for the procedures that leads to the enrichment of a body in water with nutrition


  • 11. 
    The benthic province including all the sediments and rocks that are found in the bottom of the ocean
    • A. 

      True

    • B. 

      False


  • 12. 
    Generic drift contributes to the genetic resemblance between separated communities
    • A. 

      True

    • B. 

      False


  • 13. 
    The first pattern of airflow is created by
    • A. 

      The sunrays at the equator

    • B. 

      The unequal distribution of land masses that creates differences in air pressure

    • C. 

      Earth rotating on its axis and its global shape

    • D. 

      Neither

    • E. 

      All of them


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