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






2. Help improve the standard of living for residents






3. A living part of an organism's habitat






4. Manage - protect and reintroduce threatened and endangered species






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






6. The pattern of overlapping food chains in an ecosystem






7. The disappearance of a particular population from a given area - but not from the entire species globally






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






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






10. The highest level of biodiversity






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






12. Fires that are set by humans






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






14. A resource that is either always available or is naturally replaced in a relatively short time






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






16. Provide wood






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






18. An organism that can make its own food






19. Pollution from a factory near your school






20. Illegal killing or removal of wildlife from their habitats






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






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. Bumps on the roots of certain plants






24. A consumer that eats only plants






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






26. Using public transportation






27. The number of different species in an area






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






29. Any substance that poses a chemical hazard






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






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






32. Moving into a population






33. Shift of population from countryside to cities






34. Cooking oil - fuel - and medicines






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






36. By increasing the need for people to drive






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






38. Rising sea level






39. Taking in carbon dioxide from the atmosphere during photosynthesis






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






41. This draws people from urban areas to rural areas






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






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






44. A group of land ecosystems with similar climates and organisms






45. One way zoos and aquariums help increase wildlife populations






46. A species that is at risk of extinction






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






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






49. The mating of animals in zoos or wildlife preserves






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