Bio 2 Warm-up Quiz #4

10 Questions | Total Attempts: 135

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Bio 2 Warm-up Quiz #4

Questions and Answers
  • 1. 
    The construction of a new coal-burning power plant would have the greatest  impact on which environmental issue?
    • A. 

      Depletion of the ozone layer

    • B. 

      Release of radiation

    • C. 

      Production of acid rain

    • D. 

      Increase in deforestation

  • 2. 
    Virginia’s Great Dismal Swamp is largely a red maple forest. There used to be more bald cypress and white cedar trees in the area, but tree cutting and the prevention of natural forest fires have changed the balance of tree species. The balance has shifted because these actions have —
    • A. 

      Preserved the amount of soil in the swamp

    • B. 

      Decreased the amount of sunlight needed by cypress

    • C. 

      Increased the rate of cellular respiration in cedar

    • D. 

      Altered the pattern of succession in the swamp

  • 3. 
    This food chain can be found in the coastal waters of Virginia. The population of which organisms in the food chain would be the first to decline if commercial fishing over-harvested shrimp?
    • A. 

      Algae

    • B. 

      Damsel fish

    • C. 

      Barracuda

    • D. 

      Zooplankton

  • 4. 
    In a scientific experiment, how many independent variables should be tested at the same time?
    • A. 

      None

    • B. 

      One

    • C. 

      Two

    • D. 

      Three or more

  • 5. 
    What will most likely happen if the human population continues to grow at current rates?
    • A. 

      There will be fewer resources available in the future

    • B. 

      There will be an increase in nitrogen levels

    • C. 

      There will be a decrease in water pollution

    • D. 

      There will be an increase in the number of hurricanes

  • 6. 
    Which environmental factor would cause the greatest decrease in the number of species of plants and animals living in some of the lakes in the United States?
    • A. 

      Increase in dissolved oxygen levels

    • B. 

      Global warming

    • C. 

      Ozone destruction

    • D. 

      Acid rain

  • 7. 
    Which phrase best describes biodiversity?
    • A. 

      The number of individuals in an ecosystem

    • B. 

      The amount of biomass in an ecosystem

    • C. 

      The amount of available energy in an ecosystem

    • D. 

      The number of species in an ecosystem

  • 8. 
    Chemosynthesis is the process in which organisms
    • A. 

      Form carbohydrates using chemicals

    • B. 

      Get energy by eating other organisms

    • C. 

      Make chemicals that absorb sunlight

    • D. 

      Use energy from the sun to form carbohydrates

  • 9. 
    A bond that is formed when two atoms share electrons is called a ___.
    • A. 

      Covalent bond

    • B. 

      Ionic bond

    • C. 

      Hydrogen bond

    • D. 

      James bond

  • 10. 
    The picture at the right is an example of a(n) ___.
    • A. 

      Bonding model

    • B. 

      Super model

    • C. 

      Atomic model

    • D. 

      Molecular model

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