An Ecosystem Science Trivia!

19 Questions | Total Attempts: 97

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An Ecosystem Science Trivia!

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Questions and Answers
  • 1. 
    A biologist is studying the effects of acid rain on primary productivity and interactions between the various consumers in an alpine meadow. This biologist is studying ecology at the level of a
    • A. 

      Population

    • B. 

      Community

    • C. 

      Ecosystem

    • D. 

      Biome

  • 2. 
    In Tennessee, our weather largely comes from the west. This is a result of the
    • A. 

      Pacific ocean currents

    • B. 

      Coriolis effect

    • C. 

      Flat grasslands to our west

    • D. 

      Appalachian mountains to our east

  • 3. 
    Due to the curvature of the earth, the polar regions receive
    • A. 

      Less solar radiation than other earth regions

    • B. 

      More solar radiation than other earth regions

    • C. 

      Solar radiation equal to other earth regions

    • D. 

      No solar radiation

  • 4. 
    On the lee (down wind) side of a mountain one would expect to find
    • A. 

      High levels of rainfall

    • B. 

      Average levels of rainfall

    • C. 

      Low levels of rainfall

    • D. 

      Absolutely no rainfall

  • 5. 
    Ecology deals with
    • A. 

      The management of household finances

    • B. 

      The effect of economics on global trade

    • C. 

      Nature's habitats and the inhabitants

    • D. 

      The study of epidemic diseases

  • 6. 
    The biosphere
    • A. 

      Is composed only of the earth's living organisms

    • B. 

      Encompasses all of the earth's physical environments as well as the organisms that live in them

    • C. 

      Is another term for the physical environments that make up the planet earth

    • D. 

      Is whatever particular area of the planet biologists study

  • 7. 
    The biome in which we live (Tennessee) is the
    • A. 

      Coniferous forest

    • B. 

      Deciduous forest

    • C. 

      Temperate grassland

    • D. 

      Taiga

  • 8. 
    Which of the following biome types has the greatest diversity of plant and animal species?
    • A. 

      Savanna

    • B. 

      Temperate deciduous forests

    • C. 

      Tropical rain forests

    • D. 

      Taiga

  • 9. 
    The taiga is characterized by
    • A. 

      Evergreen broad-leaved trees and a climate of relatively uniform warm temperatures and seasonal precipitation

    • B. 

      Deciduous trees and a climate of cool wet winters and warm dry summers

    • C. 

      Succulent plants and a climate of uniformly cool temperatures and low precipitation

    • D. 

      Coniferous trees and a climate of cold winters but a soil which thaws during the summer months

  • 10. 
    A biome characterized by an extremely short growing season and by a layer of permafrost in the soil is known as the
    • A. 

      Taiga

    • B. 

      Savanna

    • C. 

      Chaparral

    • D. 

      Tundra

  • 11. 
    Which of the following research questions would be asked by a population ecologist?
    • A. 

      What is the optimal temperature for a particular species of plant?

    • B. 

      How does carbon cycle through an aquatic ecosystem?

    • C. 

      How do the number of red wolves in the Smoky Mountains change over time?

    • D. 

      Which herbivores feed from a particular plant species?

  • 12. 
    In an ecosystem, all of the following cycle except
    • A. 

      Carbon

    • B. 

      Nitrogen

    • C. 

      Water

    • D. 

      Energy

  • 13. 
    During runoff, water moves from
    • A. 

      The land to the oceans

    • B. 

      The oceans to the land

    • C. 

      The oceans to the atmosphere

    • D. 

      The land to the atmosphere

  • 14. 
    How does carbon dioxide and other green house gases have the potential to increase the temperature of the earth?
    • A. 

      They allow greater transmission of incoming solar radiation

    • B. 

      They block the escape of heat from the earth

    • C. 

      They intensify the heat content of sunlight

    • D. 

      They reduce the rate of photosynthesis

  • 15. 
    The nitrogen cycle is different from most other nutrient cycles because
    • A. 

      Nitrogen exists as a gas in the atmosphere

    • B. 

      Nitrogen in not necessary for life

    • C. 

      Species of bacteria convert nitrogen into its different forms

    • D. 

      Nitrogen is only present in decomposers, not producers or consumers

  • 16. 
    An organism which obtains its food by breaking down dead organic material is a
    • A. 

      Producer

    • B. 

      Primary consumer

    • C. 

      Decomposer

    • D. 

      Secondary consumer

  • 17. 
    Which of the following comparisons between the 1st and 3rd trophic levels is usually true?
    • A. 

      There are more individuals in the 1st trophic level than in the 3rd trophic level

    • B. 

      There is more biomass in the 1st trophic level than in the 3rd trophic level

    • C. 

      There is more energy in the 1st trophic level than in the 3rd trophic level

    • D. 

      All of the above are true

  • 18. 
    In the above food web, which organism(s) are the producers
    • A. 

      Grass and apple trees

    • B. 

      Cows and pigs

    • C. 

      Humans

    • D. 

      Bacteria

  • 19. 
    Net primary productivity refers to
    • A. 

      Gross primary productivity plus respiration

    • B. 

      The rate of energy conversion by photosynthesis

    • C. 

      The efficiency of nitrogen fixation

    • D. 

      The amount of energy available for growth and reproduction

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