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5 Written Questions

5 Matching Questions

  1. Release of organic chemicals into surface waters is good for the organisms that live in the waters, since the wastes add to the nutrients present for the food chains in the water.
    True False
  2. Global warming
    A. is an increase in the average temperature of the Earth.
    B. may cause a rise in the sea level that will inundate coastal wetlands.
    C. may cause extinction of some land organisms, but biodiversity may increase.
    D. is increased by elevated levels of greenhouse gasses in the atmosphere.
    E. All of the choices are correct.
  3. The science of collecting, analyzing, and making readily available biological information is
    A. habitat restoration planning.
    B. landscape preservation.
    C. bioinformatics.
    D. a population viability analysis.
  4. Which of the following are of extinction?
    A. habitat loss
    B. exotic species
    C. pollution
    D. A, B, and C only are correct.
    E. A and C only are correct.
  5. The effect of global warming on coral reefs is
    A. negligible, since they will be protected underwater.
    B. minor since all marine environments are moderated by the great ability of water to hold temperatures constant.
    C. negative, since a rise of a few degrees will cause them to bleach and become lifeless.
    D. positive, since the higher temperatures will increase photosynthesis in the mutualistic algae.
    E. positive, since the greater sunlight to penetrate the sea will increase photosynthesis in the mutualistic algae.
  1. a D. A, B, and C only are correct.
  2. b False
  3. c C. negative, since a rise of a few degrees will cause them to bleach and become lifeless.
  4. d C. bioinformatics.
  5. e E. All of the choices are correct.

5 Multiple Choice Questions

  1. True
  2. D. biological diversity is decreasing at an accelerating rate with the elimination of many unstudied species.
  3. True
  4. C. generally negative, with 11 of the 15 major oceanic fishing areas overexploited.
  5. E. All of these are examples of introduced alien species.

5 True/False Questions

  1. A _______ population lives in favorable conditions where the birthrate exceeds the death rate and individuals move into other, less successful, fragmented populations.
    A. sink
    B. source
    C. keystone
    D. meta
    E. hotspot
    B. sink

          

  2. Conservation biology supports all of the following ethical principles EXCEPT
    A. biodiversity is desirable for the biosphere and humans.
    B. all animals have the same rights or legal status as humans.
    C. biodiversity has value in and of itself regardless of any practical human benefits.
    D. extinctions due to human actions are undesirable.
    E. the complex interactions of ecosystems support biodiversity and are desirable.
    D. contributions to biogeochemical cycles.

          

  3. The Everglades ecosystem
    A. no longer receives water from natural sources as in the past and is drying out.
    B. contains sawgrass prairie and mangrove sloughs.
    C. has diverse bird, wildlife, and growing seasons
    D. A, B, and C are correct.
    E. B and C only are true.
    D. A, B, and C are correct.

          

  4. Which of the following statements concerning the indirect values of biodiversity is NOT correct?
    A. Trees take up carbon dioxide and release oxygen when they photosynthesize.
    B. Forests act as a sponge to soak up water and release it during drier periods.
    C. If biodiversity cannot maintain the biogeochemical cycles, then technology will have to artificially create those cycles.
    D. Diverse organisms are critical in breaking down wastes and immobilizing pollutants.
    E. All of the choices are correct. None of these statements are incorrect.
    E. C and D are incorrect.

          

  5. _______ is (are) associated with 85% of the cases of threatened and endangered species.
    A. Pollution
    B. Habitat loss
    C. Overexploitation
    D. Disease
    E. Exotic species
    E. All of these are examples of introduced alien species.

          

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