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 form of transportation that uses the most energy per passenger mile






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






3. Chemical hazard that was once found in paint - young children are frequently tested for this






4. 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






5. A natural pattern in which species diversity generally increases toward the equator






6. Any substance that poses a chemical hazard






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






8. Building up not out






9. Illegal killing or removal of wildlife from their habitats






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






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






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






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






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






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






16. An organism that is killed and eaten by another organism






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






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






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






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






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






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






23. Using public transportation






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






25. An organism that can make its own food






26. Moving into a population






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






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






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






30. Habitat change and fragmentation






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






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






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






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






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






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






37. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






40. The largest population that an area can support






41. Manage - protect and reintroduce threatened and endangered species






42. A species that is at risk of extinction






43. A consumer that eats only plants






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






45. Amount of land each person uses






46. The number of different species in an area






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






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






49. The loss of a natural habitat






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