Test your basic knowledge |

DSST Environmental Science - 2

Subjects : dsst, science
Instructions:
  • 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. An amount of a renewable resource that can be harvested regularly without reducing the future supply






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






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






4. The highest level of biodiversity






5. The most effective way of preserving biodiversity by protecting whole ecosystems






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






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






8. Help improve the standard of living for residents






9. Leaving a population






10. The number of different species in an area






11. An organism that can make its own food






12. The pattern of overlapping food chains in an ecosystem






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






14. A consumer that eats only plants






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






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






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






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






19. The loss of a natural habitat






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






21. By increasing the need for people to drive






22. 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






23. This draws people from urban areas to rural areas






24. Provide wood






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






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






27. A living part of an organism's habitat






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






29. Building up not out






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






31. Using public transportation






32. Are carefully controlled






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






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






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






36. Deals with biological hazards






37. Illegal killing or removal of wildlife from their habitats






38. Causes a cooling effect


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






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






41. One way zoos and aquariums help increase wildlife populations






42. Chemicals that cause cancer






43. A consumer that eats only animals






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






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






46. The breaking of a habitat into smaller - isolated pieces






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






48. A nonliving part of an organism's habitat






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






50. The practice of protecting the environment