Standardized Test Prep

Multiple Choice

1. Which of the following statements about renewable resources is TRUE?

   • They are found only in tropical climates.

   • They can never be depleted.

   • They are replaceable by natural means.

   • They can never regenerate.

2. Which of the following is a nonrenewable resource?

   • wind

   • fresh water

   • coal

   • topsoil

3. Which of the following is NOT a direct effect of deforestation?

   • decreased productivity of the ecosystem

   • soil erosion

   • biological magnification

   • habitat destruction

4. The total variety of organisms in the biosphere is called

   • biodiversity.

   • species diversity.

   • ecosystem diversity.

   • genetic diversity.

5. Ozone is made up of

   • hydrogen.

   • oxygen.

   • nitrogen.

   • chlorine.

6. Ozone depletion in the atmosphere has been caused by

   1. monoculture.

   2. CFCs.

   3. suburban sprawl.

   4. soil erosion.

7. In a food chain, concentrations of harmful substances increase in higher trophic levels in a process is known as

   1. biological magnification.

   2. genetic drift.

   3. biological succession.

   4. pesticide resistance.

Questions 8 and 9

Fire ants first arrived in the United States in 1918, probably on a ship traveling from South America to Alabama. The maps below show the geographic location of the U.S. fire ant population in 1953 and 2001.

8. Which of the following statements about fire ants in the United States is TRUE?

   1. They reproduce slowly.

   2. They are a native species of the United States.

   3. They are an invasive species.

   4. They do not compete with other ant species.

9. By 2010, fire ants are MOST likely to

   1. have spread to a larger area.

   2. have reached their carrying capacity.

   3. die out.

   4. return to South America.

Open-Response

10. Describe how ecologists use the ecological footprint concept.

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