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 mating of animals in zoos or wildlife preserves






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






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






4. Increase the stability of an ecosystem






5. The number of different species in an area






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






7. Causes a cooling effect

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






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






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






11. A consumer that eats both plants and animals






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






13. Illegal killing or removal of wildlife from their habitats






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






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






16. Making direct measurements






17. Pollution from a factory near your school






18. Chemicals that cause cancer






19. Has the highest amount of species diversity






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






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






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






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






24. The practice of protecting the environment






25. Burning fossil fuels






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






27. Shift of population from countryside to cities






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






29. The amount of carbon dioxide emissions for which an individual or group is responsible






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






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






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






33. Any substance that poses a chemical hazard






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






35. Provide wood






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






37. An organism that can make its own food






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






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






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






41. Fires that are set by humans






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






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






44. Habitat change and fragmentation






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






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






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






48. A consumer that eats only plants






49. Organism that carries pathogens






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