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






3. Shift of population from countryside to cities






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






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






6. Manage - protect and reintroduce threatened and endangered species






7. Rising sea level






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






9. Causes a cooling effect

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10. Watering crops

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






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






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






14. Has the highest amount of species diversity






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






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






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






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






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






20. Building up not out






21. A consumer that eats only plants






22. Organism that carries pathogens






23. Sex - weight - and health issues






24. The number of different species in an area






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






26. Burning fossil fuels






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






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






29. The mating of animals in zoos or wildlife preserves






30. Amount of land each person uses






31. A nonliving part of an organism's habitat






32. The pattern of overlapping food chains in an ecosystem






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






34. The highest level of biodiversity






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






36. By increasing the need for people to drive






37. Bumps on the roots of certain plants






38. Deals with biological hazards






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






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






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






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






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






44. Fires that are set by humans






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






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






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






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






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






50. One way zoos and aquariums help increase wildlife populations