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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. An organism that is killed and eaten by another organism






2. A nonliving part of an organism's habitat






3. Building up not out






4. Moving into a population






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






6. Can result in a decrease of property damage






7. The number of different species in an area






8. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






9. The pattern of overlapping food chains in an ecosystem






10. Contamination of land - water - or air






11. Amount of land each person uses






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






13. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






18. Pollution from a factory near your school






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






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






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






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






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






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






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






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






27. Making direct measurements






28. Bumps on the roots of certain plants






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






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






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






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






33. This draws people from urban areas to rural areas






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






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






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






37. A species that is at risk of extinction






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






39. Increase the stability of an ecosystem






40. Leaving a population






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






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






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






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






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






46. Has the highest amount of species diversity






47. Any substance that poses a chemical hazard






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






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






50. Deals with biological hazards







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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