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






2. Resulted in suppression of all forest fires

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






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






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






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






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






8. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






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






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






14. A virus or bacterium (organisms) that cause infectious diseases






15. Cooking oil - fuel - and medicines






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






17. Watering crops

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






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






20. Rising sea level






21. Making direct measurements






22. Using public transportation






23. Help improve the standard of living for residents






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






25. The loss of a natural habitat






26. Chemicals that causes harm to embryos and fetuses






27. Sex - weight - and health issues






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






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






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






31. A species that is at risk of extinction






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






33. The practice of protecting the environment






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






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






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






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






38. Amount of land each person uses






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






40. Shift of population from countryside to cities






41. Increase the stability of an ecosystem






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






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






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






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






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






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






48. The mating of animals in zoos or wildlife preserves






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






50. Can result in a decrease of property damage