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. Pollution from a factory near your school






2. The practice of protecting the environment






3. Making direct measurements






4. Can result in a decrease of property damage






5. A species that is at risk of extinction






6. A nonliving part of an organism's habitat






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






8. Cooking oil - fuel - and medicines






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






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






11. Soil - fresh water - wild animals - and timber






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






13. Bumps on the roots of certain plants






14. A consumer that eats only animals






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






16. Has the highest amount of species diversity






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






18. Amount of land each person uses






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






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






21. Manage - protect and reintroduce threatened and endangered species






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






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






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






25. Illegal killing or removal of wildlife from their habitats






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






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






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






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






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






31. Taking in carbon dioxide from the atmosphere during photosynthesis






32. Are carefully controlled






33. Shift of population from countryside to cities






34. Resulted in suppression of all forest fires


35. Habitat change and fragmentation






36. The process of cutting down only some trees in an area






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






38. The highest level of biodiversity






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






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






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






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






43. A consumer that eats both plants and animals






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






45. Any substance that poses a chemical hazard






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






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






48. Moving into a population






49. The pattern of overlapping food chains in an ecosystem






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