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






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






3. A consumer that eats only plants






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






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






6. A consumer that eats both plants and animals






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






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






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






10. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






14. Illegal killing or removal of wildlife from their habitats






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






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






17. Pollution from a factory near your school






18. Causes a cooling effect

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






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






21. Building up not out






22. A living part of an organism's habitat






23. The mating of animals in zoos or wildlife preserves






24. Amount of land each person uses






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






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






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






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






29. Resulted in suppression of all forest fires

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30. Has the highest amount of species diversity






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






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






33. Shift of population from countryside to cities






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






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






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






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






38. Cooking oil - fuel - and medicines






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






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






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






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






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






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






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






46. A nonliving part of an organism's habitat






47. Organism that carries pathogens






48. Burning fossil fuels






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






50. Using public transportation