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. Have a greater sensitivity to environmental hazards than any other group

2. The highest level of biodiversity

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

4. Pollution from a factory near your school

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

6. A living part of an organism's habitat

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

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

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

10. A nonliving part of an organism's habitat

11. Moving into a population

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

13. An organism that breaks down wastes and dead organisms

14. Fires that are set by humans

15. Watering crops

16. Has the highest amount of species diversity

17. Viruses - bacteria and other organisms in the environment that harm human health

18. A consumer that eats only plants

19. The loss of a natural habitat

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

21. The number of different species in an area

22. Can result in a decrease of property damage

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

24. The pattern of overlapping food chains in an ecosystem

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

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

27. Increase the stability of an ecosystem

28. Illegal killing or removal of wildlife from their habitats

29. Building up not out

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

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

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

33. The largest population that an area can support

34. An organism that can make its own food

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

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

37. Contamination of land - water - or air

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

39. Leaving a population

40. The amount of replacement is equal to the amount harvested

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

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

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

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

45. Deals with biological hazards

46. A consumer that eats both plants and animals

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

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

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

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