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






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






3. The pattern of overlapping food chains in an ecosystem






4. Contamination of land - water - or air






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






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






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






8. Illegal killing or removal of wildlife from their habitats






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






10. Loud noises in the air like jack hammers - loud car stereos - etc...






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






12. Any substance that poses a chemical hazard






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






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






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






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






17. Can result in a decrease of property damage






18. Cooking oil - fuel - and medicines






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






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






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






22. This draws people from urban areas to rural areas






23. The largest population that an area can support






24. Are carefully controlled






25. Help improve the standard of living for residents






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






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






28. Pollution from a factory near your school






29. Has the highest amount of species diversity






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






31. Manage - protect and reintroduce threatened and endangered species






32. An organism that breaks down wastes and dead organisms






33. The mating of animals in zoos or wildlife preserves






34. One way zoos and aquariums help increase wildlife populations






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






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






37. Taking in carbon dioxide from the atmosphere during photosynthesis






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






39. Chemicals that causes harm to embryos and fetuses






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






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






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






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






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






45. 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






46. A relationship in which one organism lives on or in a host and harms it






47. Rising sea level






48. The practice of protecting the environment






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






50. Habitat change and fragmentation