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






2. Chemicals that cause cancer






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






4. Rising sea level






5. Bumps on the roots of certain plants






6. A carnivore that feeds on the bodies of dead organisms






7. The loss of a natural habitat






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






9. A form of decision-making concerned with the allocation and conservation of natural resources






10. The largest population that an area can support






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






12. The highest level of biodiversity






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






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






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






16. An organism that obtains energy by feeding on the other organisms






17. An organism that can make its own food






18. Causes a cooling effect

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






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






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






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






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






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






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






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






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






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






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






30. Fires that are set by humans






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






32. When fish are caught faster than they can breed - causing the populatio to decrease






33. Any substance that poses a chemical hazard






34. Organism that carries pathogens






35. By increasing the need for people to drive






36. A consumer that eats only plants






37. Using public transportation






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






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






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






41. The study of how living things interact with each other and their environment






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






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






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






45. Deals with biological hazards






46. Habitat change and fragmentation






47. Chemical hazard that was once found in paint - young children are frequently tested for this






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






49. Can result in a decrease of property damage






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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