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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. Soil - fresh water - wild animals - and timber






2. The highest level of biodiversity






3. Leaving a population






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






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






6. The largest population that an area can support






7. By increasing the need for people to drive






8. A close relationship between two species that benefits at least one of the species






9. A relationship in which one organism lives on or in a host and harms it






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






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






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






13. Making direct measurements






14. Bumps on the roots of certain plants






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






16. A consumer that eats only plants






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






18. Building up not out






19. A nonliving part of an organism's habitat






20. A species that is at risk of extinction






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






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






23. Watering crops

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24. Burning fossil fuels






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






26. Amount of land each person uses






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






28. Shift of population from countryside to cities






29. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






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






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






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






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






34. The number of different species in an area






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






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






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






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






39. A consumer that eats both plants and animals






40. Increase the stability of an ecosystem






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






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






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






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






45. A consumer that eats only animals






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






47. An organism that breaks down wastes and dead organisms






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






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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