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






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






4. Making direct measurements






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






6. Moving into a population






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






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






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






10. The practice of protecting the environment






11. Causes a cooling effect

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12. Bumps on the roots of certain plants






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






14. The number of different species in an area






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






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






17. This draws people from urban areas to rural areas






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






19. A living part of an organism's habitat






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






21. Chemicals that cause cancer






22. Fires that are set by humans






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






24. The pattern of overlapping food chains in an ecosystem






25. A nonliving part of an organism's habitat






26. Building up not out






27. The mating of animals in zoos or wildlife preserves






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






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






30. Illegal killing or removal of wildlife from their habitats






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






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






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






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






35. Cooking oil - fuel - and medicines






36. Organism that carries pathogens






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






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






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






40. One way zoos and aquariums help increase wildlife populations






41. Provide wood






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






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






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






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






46. A consumer that eats only plants






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






48. The study of the natural processes that occur in the environment and how humans can affect them






49. The highest level of biodiversity






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