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. A species in danger of becoming extinct in the near future






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






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






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






5. Burning fossil fuels






6. 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






7. Amount of land each person uses






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






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






10. Pollution from a factory near your school






11. By increasing the need for people to drive






12. Leaving a population






13. Sex - weight - and health issues






14. Contamination of land - water - or air






15. Deals with biological hazards






16. A consumer that eats only animals






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






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






19. The pattern of overlapping food chains in an ecosystem






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






21. Chemicals that cause cancer






22. The highest level of biodiversity






23. When fish are caught faster than they can breed - causing the populatio to decrease






24. A resource that is either always available or is naturally replaced in a relatively short time






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






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






27. The struggle between organisms to survive as they attempt to use the same limited resource






28. A nonliving part of an organism's habitat






29. A series of events in which one organism eats another and obtains energy






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






31. This draws people from urban areas to rural areas






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






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






34. Any substance that poses a chemical hazard






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






36. Using public transportation






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






38. Transportation systems - communications systems - water services - power supplies - and schools






39. A species that is at risk of extinction






40. Provide wood






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






42. Building up not out






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






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






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






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






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






48. A natural pattern in which species diversity generally increases toward the equator






49. The practice of protecting the environment






50. Manage - protect and reintroduce threatened and endangered species