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Environmental Sciences Quiz 661 (20 MCQs)

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1. What problem do the Sierra Madre Mts. cause Mexico City?
2. Which one is not a natural resource?
3. A cooling of the ocean surface off the western coast of South America, occurring periodically every 4 to 12 years and affecting Pacific and other weather patterns.
4. Which gas in the atmosphere is often associated with global warming?
5. Which of these is an example of an element?
6. The human diet has been enriched with native food product such as sweet potatoes, beans, tomatoes, and corn that come from
7. The ratio of different species in an ecosystem is what kind of measurement?
8. A specific type of organism or a population or a group of populations that share certain traits. In the taxonomy categories, it is the lowest and least inclusive
9. Cotton clothes we wear in
10. A person who treats sick people.
11. The ability of Earth's natural systems and human cultural systems to survive, flourish into the long-term future
12. An adaptation to competition that reduces competition between species that use the same resource is called
13. Sedimentary rocks are the largest reservoir in the ..... cycle. Human activities increase concentrations in surface water through substantial runoff of the phosphorus rich fertilizers we use to lawns and farmlands
14. Which of these is an Abiotic factor?
15. What is the term for a large area of land where wild animals and plants are protected?
16. How are fossils created?
17. A structure that holds back and controls the flow of water in a river or other body of water
18. Which groups of plants are most active in secondary succession and re-establishing the native habitat
19. The ..... is placed under normal conditions without anything extra or different.
20. Legumes are plants like beans, clover, and alfalfa that have bacteria living in nodules on their roots. These bacteria fix nitrogen into a form the plant can use and in return the bacteria get nutrients from the plant as well as a place to live.This relationship can be best described as .....
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