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. Sex - weight - and health issues






2. Burning fossil fuels






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






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






5. Chemicals that causes harm to embryos and fetuses






6. Using public transportation






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






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






9. Habitat change and fragmentation






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






11. The pattern of overlapping food chains in an ecosystem






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






13. Are carefully controlled






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






15. The loss of a natural habitat






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






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






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






19. The number of different species in an area






20. The largest population that an area can support






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






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






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






24. Any substance that poses a chemical hazard






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






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






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






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






29. Rising sea level






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






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






32. Resulted in suppression of all forest fires

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






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






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






36. Has the highest amount of species diversity






37. Contamination of land - water - or air






38. The process of cutting down only some trees in an area






39. Making direct measurements






40. Illegal killing or removal of wildlife from their habitats






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






42. One way zoos and aquariums help increase wildlife populations






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






44. The practice of protecting the environment






45. Can result in a decrease of property damage






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






47. Help improve the standard of living for residents






48. Amount of land each person uses






49. Leaving a population






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