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 number of different species in an area

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

3. Amount of land each person uses

4. Causes a cooling effect

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

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

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

8. Provide wood

9. Chemicals that cause cancer

10. Organism that carries pathogens

11. Making direct measurements

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

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

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

15. Fires that are set by humans

16. Resulted in suppression of all forest fires

17. Sex - weight - and health issues

18. Habitat change and fragmentation

19. Illegal killing or removal of wildlife from their habitats

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

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

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

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

24. Building up not out

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

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

27. A nonliving part of an organism's habitat

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

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

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

31. Contamination of land - water - or air

32. The highest level of biodiversity

33. Chemicals that causes harm to embryos and fetuses

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

35. Help improve the standard of living for residents

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

37. Has the highest amount of species diversity

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

39. The loss of a natural habitat

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

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

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

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

44. The mating of animals in zoos or wildlife preserves

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

46. The practice of protecting the environment

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

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

49. The pattern of overlapping food chains in an ecosystem

50. A relationship between two species in which one species benefits and the other is neither helped nor harmed