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






2. Any substance that poses a chemical hazard






3. Building up not out






4. An organism that can make its own food






5. Pollution from a factory near your school






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






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






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






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






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






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






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






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






14. One way zoos and aquariums help increase wildlife populations






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






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






17. Has the highest amount of species diversity






18. The number of different species in an area






19. Habitat change and fragmentation






20. Increase the stability of an ecosystem






21. Water vapor and carbon dioxide that trap heat near the earth






22. Can result in a decrease of property damage






23. Provide wood






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






25. Amount of land each person uses






26. Moving into a population






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






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






29. A group of land ecosystems with similar climates and organisms






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






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






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






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






34. This draws people from urban areas to rural areas






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






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






37. Making direct measurements






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






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






40. A consumer that eats both plants and animals






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






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






43. The most direct way in which biodiverstiy can provide a source of income






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






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






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






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






48. A living part of an organism's habitat






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






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