Test your basic knowledge |

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






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






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






4. Watering crops

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5. Help improve the standard of living for residents






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






7. Rising sea level






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






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






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






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






12. Bumps on the roots of certain plants






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






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






15. Causes a cooling effect

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






17. Has the highest amount of species diversity






18. Are carefully controlled






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






20. Amount of land each person uses






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






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






23. Making direct measurements






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






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






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






27. A consumer that eats only animals






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






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






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






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






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






33. Using public transportation






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






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






36. The number of different species in an area






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






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






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






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






41. The largest population that an area can support






42. Contamination of land - water - or air






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






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






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






46. Sex - weight - and health issues






47. Taking in carbon dioxide from the atmosphere during photosynthesis






48. Chemicals that cause cancer






49. The loss of a natural habitat






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