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






2. Building up not out






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






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






5. An organism that breaks down wastes and dead organisms






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






7. Habitat change and fragmentation






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






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






10. Contamination of land - water - or air






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






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






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






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






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






16. A resource that is either always available or is naturally replaced in a relatively short time






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






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






19. Resulted in suppression of all forest fires


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






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






22. When fish are caught faster than they can breed - causing the populatio to decrease






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






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






25. Burning fossil fuels






26. Increase the stability of an ecosystem






27. Chemicals that cause cancer






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






29. The pattern of overlapping food chains in an ecosystem






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






31. Watering crops


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






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






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






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






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






37. A living part of an organism's habitat






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






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






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






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






42. Are carefully controlled






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






44. A nonliving part of an organism's habitat






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






46. Using public transportation






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






48. The practice of protecting the environment






49. A consumer that eats only plants






50. A consumer that eats both plants and animals