Test your basic knowledge |

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. Businesses are arranged in a long row along a roadway - with no main community






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






3. The probability that a hazard will cause a harmful response






4. A close relationship between two species that benefits at least one of the species






5. Has the highest amount of species diversity






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






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






8. Are carefully controlled






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






10. Deals with biological hazards






11. Provide wood






12. Building up not out






13. Trees - grass - crops - wetlands - water - building and pavements






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






15. Anything in the environment that is used by people is called a natural resource






16. The mating of animals in zoos or wildlife preserves






17. Watering crops

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18. The process of cutting down all the trees in an area at once






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






20. The loss of a natural habitat






21. An organism that can make its own food






22. Taking in carbon dioxide from the atmosphere during photosynthesis






23. The number of different species in an area






24. Help improve the standard of living for residents






25. Can result in a decrease of property damage






26. An environment that provides the things an organism needs to live - grow - and reproduce






27. The highest level of biodiversity






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






29. The practice of protecting the environment






30. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates






31. A species that is at risk of extinction






32. Sex - weight - and health issues






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






34. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






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






36. By increasing the need for people to drive






37. Burning fossil fuels






38. A behavior or physical characteristic that allows an organism to live successfully in its environment






39. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude






40. Organism that carries pathogens






41. Increase the stability of an ecosystem






42. Causes a cooling effect

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43. Resulted in suppression of all forest fires

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






45. A carnivore that feeds on the bodies of dead organisms






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






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






48. A species that influences the survival of many others in an ecosystem






49. The disappearance of all members of a species from Earth






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