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. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






6. Contamination of land - water - or air






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






8. Businesses are arranged in a long row along a roadway - with no main community






9. Can result in a decrease of property damage






10. The pattern of overlapping food chains in an ecosystem






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






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






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






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






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






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






17. Using public transportation






18. Illegal killing or removal of wildlife from their habitats






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






20. Shift of population from countryside to cities






21. 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






22. The process of cutting down all the trees in an area at once






23. The highest level of biodiversity






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






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






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






27. An organism that breaks down wastes and dead organisms






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






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






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






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






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






33. Are carefully controlled






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






35. Fires that are set by humans






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






37. A species that is at risk of extinction






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






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






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






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






42. Resulted in suppression of all forest fires

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






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






45. The breaking of a habitat into smaller - isolated pieces






46. Cooking oil - fuel - and medicines






47. Habitat change and fragmentation






48. Chemicals that causes harm to embryos and fetuses






49. Making direct measurements






50. A consumer that eats only plants