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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. Organism that carries pathogens






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






3. Has the highest amount of species diversity






4. Pollution from a factory near your school






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






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






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






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






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






10. Are carefully controlled






11. Chemicals that cause cancer






12. Illegal killing or removal of wildlife from their habitats






13. The disappearance of all members of a species from Earth






14. A species that is at risk of extinction






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






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






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






18. Deals with biological hazards






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






20. Making direct measurements






21. Using public transportation






22. 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






23. Building up not out






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






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






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






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






28. Shift of population from countryside to cities






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






30. Chemicals that causes harm to embryos and fetuses






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






32. A consumer that eats only plants






33. A nonliving part of an organism's habitat






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






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






36. Manage - protect and reintroduce threatened and endangered species






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






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






39. A consumer that eats both plants and animals






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






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






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






43. The number of different species in an area






44. This draws people from urban areas to rural areas






45. Any substance that poses a chemical hazard






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






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






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






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






50. Watering crops

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