Environmental Sciences Quiz 261 (20 MCQs)

Quiz Instructions

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1. ..... :form of culling in which less valuable trees of poor quality are harvested.
2. Organisms that break down dead organisms
3. Logging of only certain mature trees
4. The living factors of an ecosystem are:
5. The unique role a species plays in its environment is its .....
6. The energy source that can provide the greatest amount of electricity generation in the United States due to its abundance is
7. Unicellular organisms that live in swamps and produce methane gas are
8. This transports the materials elsewhere
9. When irrigation water evaporates, salts are left behind on the soil surface and can cause plant death or lead to
10. The executive branch of the United States government includes .....
11. Which of the following is not an endangered species?
12. Biome occurring in semi-arid interiors of continents; examples are the prairies of North America, the Steppes of Russia and Ukraine, and the pampas of South America.
13. Developing countries have rapid population growth.
14. The final steps of the experimental method are
15. La Niña is characterized by ..... of the Western Pacific Ocean.
16. What is habitat fragmentation?
17. Virginia is?
18. Making fresh water from salt water
19. Which gas is responsible for global warming?
20. Why is environmental science considered interdisciplinary?