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. Watering crops

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2. A species that is at risk of extinction






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






4. Has the highest amount of species diversity






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






6. Rising sea level






7. The mating of animals in zoos or wildlife preserves






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






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






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






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






12. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






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






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






18. Help improve the standard of living for residents






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






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






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






22. Illegal killing or removal of wildlife from their habitats






23. Pollution from a factory near your school






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






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






26. Manage - protect and reintroduce threatened and endangered species






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






28. A species that influences the survival of many others in an ecosystem






29. Causes a cooling effect

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






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






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






33. By increasing the need for people to drive






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






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






36. The number of different species in an area






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






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






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






40. A living part of an organism's habitat






41. Cooking oil - fuel - and medicines






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






43. A nonliving part of an organism's habitat






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






45. Using public transportation






46. Are carefully controlled






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






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






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






50. An organism that can make its own food