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. Pollution from a factory near your school






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






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






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






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






6. Amount of land each person uses






7. An organism that breaks down wastes and dead organisms






8. Manage - protect and reintroduce threatened and endangered species






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






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






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






12. Fires that are set by humans






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






14. Can result in a decrease of property damage






15. Chemical hazard that was once found in paint - young children are frequently tested for this






16. Making direct measurements






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






18. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist






19. Causes a cooling effect

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






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






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






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






24. Moving into a population






25. An area with a large population of valuable ocean organisms






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






27. Cooking oil - fuel - and medicines






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






29. Help improve the standard of living for residents






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






31. Illegal killing or removal of wildlife from their habitats






32. Burning fossil fuels






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






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






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






36. Resulted in suppression of all forest fires

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37. A consumer that eats both plants and animals






38. Has the highest amount of species diversity






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






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






41. Organism that carries pathogens






42. An organism that can make its own food






43. Shift of population from countryside to cities






44. One way zoos and aquariums help increase wildlife populations






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






46. Habitat change and fragmentation






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






48. By increasing the need for people to drive






49. A living part of an organism's habitat






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