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. Chemical hazard that was once found in paint - young children are frequently tested for this






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






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






4. The loss of a natural habitat






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






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






7. Resulted in suppression of all forest fires

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






9. The clearing of a forest and replacing it with another land use






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






11. Chemicals that cause cancer






12. Manage - protect and reintroduce threatened and endangered species






13. The process of cutting down only some trees in an area






14. The practice of protecting the environment






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






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






17. This draws people from urban areas to rural areas






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






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






20. Any substance that poses a chemical hazard






21. Rising sea level






22. Provide wood






23. Habitat change and fragmentation






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






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






26. Watering crops

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






28. The most effective way of preserving biodiversity by protecting whole ecosystems






29. The largest population that an area can support






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






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






32. Soil - fresh water - wild animals - and timber






33. Contamination of land - water - or air






34. Refers to an increase in Earth's average surface temperature






35. A nonliving part of an organism's habitat






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






37. A consumer that eats only animals






38. A consumer that eats both plants and animals






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






40. Bumps on the roots of certain plants






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






42. Increase the stability of an ecosystem






43. An organism that can make its own food






44. The series of changes that occur in an area where no soil or organisms exist






45. Burning fossil fuels






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






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






48. An organism that is killed and eaten by another organism






49. Sex - weight - and health issues






50. Amount of land each person uses