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






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






3. The number of different species in an area






4. Contamination of land - water - or air






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






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






7. Pollution from a factory near your school






8. One way zoos and aquariums help increase wildlife populations






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






10. Burning fossil fuels






11. Amount of land each person uses






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






13. Leaving a population






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






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






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






17. This draws people from urban areas to rural areas






18. The practice of protecting the environment






19. A living part of an organism's habitat






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






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






22. An organism that breaks down wastes and dead organisms






23. Shift of population from countryside to cities






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






25. The loss of a natural habitat






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






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






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






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






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






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






32. A nonliving part of an organism's habitat






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






34. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






39. Chemicals that causes harm to embryos and fetuses






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






41. Can result in a decrease of property damage






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






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






44. A consumer that eats only plants






45. Deals with biological hazards






46. The largest population that an area can support






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






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






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






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