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






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






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






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






5. By increasing the need for people to drive






6. Are carefully controlled






7. Chemicals that causes harm to embryos and fetuses






8. Any substance that poses a chemical hazard






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






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






11. A living part of an organism's habitat






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






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






14. Help improve the standard of living for residents






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






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






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






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






19. Causes a cooling effect

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






21. Habitat change and fragmentation






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






23. Manage - protect and reintroduce threatened and endangered species






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






25. Illegal killing or removal of wildlife from their habitats






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






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






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






29. The highest level of biodiversity






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






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






32. Amount of land each person uses






33. Making direct measurements






34. Shift of population from countryside to cities






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






36. Has the highest amount of species diversity






37. Contamination of land - water - or air






38. The loss of a natural habitat






39. Increase the stability of an ecosystem






40. A species that is at risk of extinction






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






42. The mating of animals in zoos or wildlife preserves






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






44. Bumps on the roots of certain plants






45. An area with a large population of valuable ocean organisms






46. Rising sea level






47. Refers to an increase in Earth's average surface temperature






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






49. A consumer that eats only plants






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