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 highest level of biodiversity






2. A consumer that eats only animals






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






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






5. The loss of a natural habitat






6. Chemicals that causes harm to embryos and fetuses






7. A species that is at risk of extinction






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






9. Sex - weight - and health issues






10. Fires that are set by humans






11. This draws people from urban areas to rural areas






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






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






14. A behavior or physical characteristic that allows an organism to live successfully in its environment






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






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






17. Using public transportation






18. Moving into a population






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






20. Any substance that poses a chemical hazard






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






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






23. Causes a cooling effect

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24. Bumps on the roots of certain plants






25. Rising sea level






26. Watering crops

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






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






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






30. Leaving a population






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






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






33. Burning fossil fuels






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






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






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






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






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






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






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






41. One way zoos and aquariums help increase wildlife populations






42. Resulted in suppression of all forest fires

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43. Building up not out






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






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






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






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






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






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






50. The largest population that an area can support