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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. Building up not out






2. The disappearance of all members of a species from Earth






3. Habitat change and fragmentation






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






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






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






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






8. A species that is at risk of extinction






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






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






11. Increase the stability of an ecosystem






12. Fires that are set by humans






13. One way zoos and aquariums help increase wildlife populations






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






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






16. Amount of land each person uses






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






18. Using public transportation






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






20. Watering crops

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






22. Can result in a decrease of property damage






23. The largest population that an area can support






24. Causes a cooling effect

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






26. By increasing the need for people to drive






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






28. A consumer that eats both plants and animals






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






30. Energy from the sun would be reflected back into space






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






32. A consumer that eats only plants






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






34. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist






35. Rising sea level






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






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






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






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






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






41. Are carefully controlled






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






43. Burning fossil fuels






44. The loss of a natural habitat






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






46. An organism that breaks down wastes and dead organisms






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






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






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






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