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 natural pattern in which species diversity generally increases toward the equator






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






3. Rising sea level






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






5. By increasing the need for people to drive






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






7. The loss of a natural habitat






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






9. Illegal killing or removal of wildlife from their habitats






10. The highest level of biodiversity






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






12. A consumer that eats both plants and animals






13. Can result in a decrease of property damage






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






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






16. Sex - weight - and health issues






17. Are carefully controlled






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






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






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






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






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






23. Pollution from a factory near your school






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






25. Any substance that poses a chemical hazard






26. 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






27. Making direct measurements






28. Causes a cooling effect

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29. Help improve the standard of living for residents






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






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






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






33. Building up not out






34. The practice of protecting the environment






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






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






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






38. Fires that are set by humans






39. Leaving a population






40. A natural resource that is not replaced in a useful time frame






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






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






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






44. Shift of population from countryside to cities






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






46. A large area heavily populated like Miami - Florida or Toledo - Ohio






47. Manage - protect and reintroduce threatened and endangered species






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






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






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