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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. This draws people from urban areas to rural areas






2. Shift of population from countryside to cities






3. Amount of land each person uses






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






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






6. Help improve the standard of living for residents






7. A large area heavily populated like Miami - Florida or Toledo - Ohio






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






9. Process of measuring the chance that an environmental hazard will cause harm






10. Burning fossil fuels






11. An organism that breaks down wastes and dead organisms






12. Using public transportation






13. Chemicals that causes harm to embryos and fetuses






14. Provide wood






15. Sex - weight - and health issues






16. Building up not out






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






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






19. An amount of a renewable resource that can be harvested regularly without reducing the future supply






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






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






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






23. Bumps on the roots of certain plants






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






25. The pattern of overlapping food chains in an ecosystem






26. A consumer that eats both plants and animals






27. Cooking oil - fuel - and medicines






28. Increase the stability of an ecosystem






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






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






31. Are carefully controlled






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






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






34. Contamination of land - water - or air






35. Can result in a decrease of property damage






36. A living part of an organism's habitat






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






38. Moving into a population






39. Organism that carries pathogens






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






41. A consumer that eats only animals






42. Has the highest amount of species diversity






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






44. A relationship in which one organism lives on or in a host and harms it






45. By increasing the need for people to drive






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






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






48. Causes a cooling effect

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49. The loss of a natural habitat






50. Manage - protect and reintroduce threatened and endangered species