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 highest level of biodiversity

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

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

4. Leaving a population

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

6. Illegal killing or removal of wildlife from their habitats

7. The process of changing free nitrogen gas into a usable form

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

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

10. The loss of a natural habitat

11. Building up not out

12. Making direct measurements

13. Cooking oil - fuel - and medicines

14. Manage - protect and reintroduce threatened and endangered species

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

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

17. Fires that are set by humans

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

19. Are carefully controlled

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

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

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

23. A region that has many different types of organism is described as having a high level of this

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

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

26. Organism that carries pathogens

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

28. Any substance that poses a chemical hazard

29. Sex - weight - and health issues

30. Amount of land each person uses

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

32. Help improve the standard of living for residents

33. Pollution from a factory near your school

34. Chemicals that cause cancer

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

36. A living part of an organism's habitat

37. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates

38. Bumps on the roots of certain plants

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

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

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

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

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

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

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

46. Rising sea level

47. Can result in a decrease of property damage

48. One way zoos and aquariums help increase wildlife populations

49. By increasing the need for people to drive

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