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. A region that has many different types of organism is described as having a high level of this






2. A nonliving part of an organism's habitat






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






4. The process of changing free nitrogen gas into a usable form






5. By increasing the need for people to drive






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






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






8. Has the highest amount of species diversity






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






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






11. Chemicals that causes harm to embryos and fetuses






12. Contamination of land - water - or air






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






14. Provide wood






15. Rising sea level






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






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






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






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






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






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






22. The largest population that an area can support






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






24. The mating of animals in zoos or wildlife preserves






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






26. Deals with biological hazards






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






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






29. A species that is at risk of extinction






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






31. Are carefully controlled






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






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






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






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






36. Can result in a decrease of property damage






37. Organism that carries pathogens






38. Trees - grass - crops - wetlands - water - building and pavements






39. A living part of an organism's habitat






40. Burning fossil fuels






41. A consumer that eats only animals






42. Bumps on the roots of certain plants






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






44. 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






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






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






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






48. Resulted in suppression of all forest fires

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






50. Cooking oil - fuel - and medicines