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. Energy from the sun would be reflected back into space






2. A consumer that eats only animals






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






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






5. Pollution from a factory near your school






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






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






8. The practice of protecting the environment






9. Amount of land each person uses






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






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






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






13. Cooking oil - fuel - and medicines






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






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






16. Bumps on the roots of certain plants






17. A nonliving part of an organism's habitat






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






19. Contamination of land - water - or air






20. A species that is at risk of extinction






21. An organism that can make its own food






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






23. Can result in a decrease of property damage






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






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






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






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






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






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






30. Using public transportation






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






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






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






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






35. Chemicals that cause cancer






36. The number of different species in an area






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






38. Making direct measurements






39. The pattern of overlapping food chains in an ecosystem






40. Habitat change and fragmentation






41. Increase the stability of an ecosystem






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






43. One way zoos and aquariums help increase wildlife populations






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






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






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






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






48. The largest population that an area can support






49. This draws people from urban areas to rural areas






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