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DSST Environmental Science - 2

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The practice of protecting the environment






2. The study of the natural processes that occur in the environment and how humans can affect them






3. Loud noises in the air like jack hammers - loud car stereos - etc...






4. A consumer that eats both plants and animals






5. Species that are carried to a new location by people






6. An organism that can make its own food






7. A species that could become endangered in the near future






8. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






9. Causes a cooling effect

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10. Water vapor and carbon dioxide that trap heat near the earth






11. A region that has many different types of organism is described as having a high level of this






12. A species that is at risk of extinction






13. Provide wood






14. Viruses - bacteria and other organisms in the environment that harm human health






15. One way zoos and aquariums help increase wildlife populations






16. A natural resource that is not replaced in a useful time frame






17. Energy from the sun would be reflected back into space






18. Illegal killing or removal of wildlife from their habitats






19. A large area heavily populated like Miami - Florida or Toledo - Ohio






20. Concentrations of toxicants can be greatly multiplied with each step up the food chain






21. The mating of animals in zoos or wildlife preserves






22. Process of measuring the chance that an environmental hazard will cause harm






23. Are carefully controlled






24. Land that is sparsely populated and has few buildings or roads






25. A relationship between two species in which one species benefits and the other is neither helped nor harmed






26. A nonliving part of an organism's habitat






27. Sex - weight - and health issues






28. Amount of land each person uses






29. A consumer that eats only animals






30. A relationship in which one organism lives on or in a host and harms it






31. Moving into a population






32. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






33. A virus or bacterium (organisms) that cause infectious diseases






34. All the members of one species in a particular area






35. Rising sea level






36. A relationship between two species in which both species benefit






37. Increase the stability of an ecosystem






38. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






39. The study of how living things interact with each other and their environment






40. An amount of a renewable resource that can be harvested regularly without reducing the future supply






41. An organism that obtains energy by feeding on the other organisms






42. An area with a large population of valuable ocean organisms






43. The most direct way in which biodiverstiy can provide a source of income






44. The highest level of biodiversity






45. The pattern of overlapping food chains in an ecosystem






46. Resulted in suppression of all forest fires

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47. The amount of carbon dioxide emissions for which an individual or group is responsible






48. Any substance that poses a chemical hazard






49. Fires that are set by humans






50. By increasing the need for people to drive







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Can you answer 50 questions in 15 minutes?


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