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






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






3. The study of the natural processes that occur in the environment and how humans can affect them






4. Provide wood






5. Any substance that poses a chemical hazard






6. A behavior or physical characteristic that allows an organism to live successfully in its environment






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






8. One way zoos and aquariums help increase wildlife populations






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






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






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






12. Amount of land each person uses






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






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






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






16. The number of different species in an area






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






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






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






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






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






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






23. The highest level of biodiversity






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






25. Causes a cooling effect


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






27. Fires that are set by humans






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






29. Pollution from a factory near your school






30. The practice of protecting the environment






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






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






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






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






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






36. A nonliving part of an organism's habitat






37. Habitat change and fragmentation






38. A virus or bacterium (organisms) that cause infectious diseases






39. Contamination of land - water - or air






40. Rising sea level






41. Sex - weight - and health issues






42. A consumer that eats only plants






43. A living part of an organism's habitat






44. Viruses - bacteria and other organisms in the environment that harm human health






45. Resulted in suppression of all forest fires


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






47. Can result in a decrease of property damage






48. Using public transportation






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






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