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






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






4. Help improve the standard of living for residents






5. Rising sea level






6. Making direct measurements






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






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






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






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






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






12. A close relationship between two species that benefits at least one of the species






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






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






15. Increase the stability of an ecosystem






16. One way zoos and aquariums help increase wildlife populations






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






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






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






20. A nonliving part of an organism's habitat






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






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






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






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






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






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






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






28. Using public transportation






29. A living part of an organism's habitat






30. Leaving a population






31. Can result in a decrease of property damage






32. Are carefully controlled






33. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates






34. The largest population that an area can support






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






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






37. Has the highest amount of species diversity






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






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






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






41. Fires that are set by humans






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






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






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






45. The loss of a natural habitat






46. Watering crops

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






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






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






50. Contamination of land - water - or air