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. Leaving a population






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






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






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






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






6. The highest level of biodiversity






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






8. Pollution from a factory near your school






9. Bumps on the roots of certain plants






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






11. Rising sea level






12. Chemicals that causes harm to embryos and fetuses






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






14. Causes a cooling effect

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






16. A consumer that eats only animals






17. A living part of an organism's habitat






18. Fires that are set by humans






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






20. Illegal killing or removal of wildlife from their habitats






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






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






23. Shift of population from countryside to cities






24. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






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






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






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






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






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






30. Provide wood






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






32. An organism that can make its own food






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






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






35. Has the highest amount of species diversity






36. Burning fossil fuels






37. A consumer that eats both plants and animals






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






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






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






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






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






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






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






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






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






47. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






50. The number of different species in an area