Test your basic knowledge |

DSST Environmental Science - 2

Subjects : dsst, science
  • 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 amount of replacement is equal to the amount harvested

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

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

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

5. Has the highest amount of species diversity

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

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

8. Causes a cooling effect

9. Rising sea level

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

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

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

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

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

15. Illegal killing or removal of wildlife from their habitats

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

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

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

19. Any substance that poses a chemical hazard

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

21. Burning fossil fuels

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

23. The practice of protecting the environment

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

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

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

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

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

29. An organism that can make its own food

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

31. Help improve the standard of living for residents

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

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

34. A species that is at risk of extinction

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

36. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist

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

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

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

40. The pattern of overlapping food chains in an ecosystem

41. Chemicals that causes harm to embryos and fetuses

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

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

44. Leaving a population

45. Resulted in suppression of all forest fires

46. Using public transportation

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

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

49. Are carefully controlled

50. The mating of animals in zoos or wildlife preserves