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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 practice of protecting the environment






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






3. Using public transportation






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






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






6. The pattern of overlapping food chains in an ecosystem






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






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






9. The highest level of biodiversity






10. A consumer that eats only plants






11. Illegal killing or removal of wildlife from their habitats






12. Chemicals that cause cancer






13. Rising sea level






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






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






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






17. An organism that breaks down wastes and dead organisms






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






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






20. Building up not out






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






22. Shift of population from countryside to cities






23. The process of cutting down only some trees in an area






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






25. Can result in a decrease of property damage






26. Cooking oil - fuel - and medicines






27. Chemicals that causes harm to embryos and fetuses






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






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






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






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






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






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






34. A nonliving part of an organism's habitat






35. Bumps on the roots of certain plants






36. Leaving a population






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






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






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






40. Increase the stability of an ecosystem






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






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






43. Manage - protect and reintroduce threatened and endangered species






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






45. Resulted in suppression of all forest fires

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






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






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






49. Moving into a population






50. Pollution from a factory near your school







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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