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. The role of an organism in its habitat - or how it makes its living






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






3. The breaking of a habitat into smaller - isolated pieces






4. The organism that does the killing in a predation interaction






5. An organism that breaks down wastes and dead organisms






6. Provide wood






7. The form of transportation that uses the most energy per passenger mile






8. The loss of a natural habitat






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






10. Watering crops

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11. Can result in a decrease of property damage






12. Rising sea level






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






14. Increase the stability of an ecosystem






15. Cooking oil - fuel - and medicines






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






17. Pollution from a factory near your school






18. Making direct measurements






19. Habitat change and fragmentation






20. Amount of land each person uses






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






22. A living part of an organism's habitat






23. Burning fossil fuels






24. An example of a method for managing whole ecosystems and habitats






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






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






27. Causes a cooling effect

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






29. Help improve the standard of living for residents






30. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat






31. Leaving a population






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






33. Using public transportation






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






35. Deals with biological hazards






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






37. The disappearance of a particular population from a given area - but not from the entire species globally






38. A form of decision-making concerned with the allocation and conservation of natural resources






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






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






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






42. Are carefully controlled






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






44. The process of changing free nitrogen gas into a usable form






45. This draws people from urban areas to rural areas






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






47. A species that is at risk of extinction






48. Shift of population from countryside to cities






49. Contamination of land - water - or air






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