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. Cooking oil - fuel - and medicines

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

3. The number of different species in an area

4. Amount of land each person uses

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

6. By increasing the need for people to drive

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

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

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

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

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

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

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

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

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

16. Leaving a population

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

18. The largest population that an area can support

19. Are carefully controlled

20. Chemicals that causes harm to embryos and fetuses

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

22. An organism that breaks down wastes and dead organisms

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

24. Chemicals that cause cancer

25. Making direct measurements

26. Rising sea level

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

28. Has the highest amount of species diversity

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

30. Burning fossil fuels

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

32. Causes a cooling effect

33. A consumer that eats only animals

34. A consumer that eats both plants and animals

35. Trees - grass - crops - wetlands - water - building and pavements

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

37. The study of how living things interact with each other and their environment

38. Provide wood

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

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

41. Increase the stability of an ecosystem

42. 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

43. The loss of a natural habitat

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

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

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

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

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

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

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