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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. Moving into a population






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






3. Contamination of land - water - or air






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






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






6. A consumer that eats only animals






7. Causes a cooling effect

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8. Amount of land each person uses






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






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






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






12. The highest level of biodiversity






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






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






15. The pattern of overlapping food chains in an ecosystem






16. Bumps on the roots of certain plants






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






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






19. Has the highest amount of species diversity






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






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






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






23. A nonliving part of an organism's habitat






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






25. Can result in a decrease of property damage






26. Increase the stability of an ecosystem






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






28. By increasing the need for people to drive






29. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






33. A consumer that eats only plants






34. The loss of a natural habitat






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






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






37. Provide wood






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






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






40. Illegal killing or removal of wildlife from their habitats






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






42. Pollution from a factory near your school






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






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






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






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






47. Resulted in suppression of all forest fires

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48. Burning fossil fuels






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






50. This draws people from urban areas to rural areas







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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