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

2. One way zoos and aquariums help increase wildlife populations

3. Chemicals that causes harm to embryos and fetuses

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

5. Burning fossil fuels

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

7. Manage - protect and reintroduce threatened and endangered species

8. The highest level of biodiversity

9. Organism that carries pathogens

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

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

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

13. Amount of land each person uses

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

15. A consumer that eats both plants and animals

16. Contamination of land - water - or air

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

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

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

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

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

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

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

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

25. Making direct measurements

26. Any substance that poses a chemical hazard

27. Help improve the standard of living for residents

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

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

30. 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

31. Habitat change and fragmentation

32. Leaving a population

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

34. Taking in carbon dioxide from the atmosphere during photosynthesis

35. Chemicals that cause cancer

36. By increasing the need for people to drive

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

38. Shift of population from countryside to cities

39. Causes a cooling effect

40. Are carefully controlled

41. Cooking oil - fuel - and medicines

42. Illegal killing or removal of wildlife from their habitats

43. Using public transportation

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

45. Building up not out

46. Can result in a decrease of property damage

47. A living part of an organism's habitat

48. The number of different species in an area

49. A consumer that eats only animals

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