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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. Causes a cooling effect

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






3. Illegal killing or removal of wildlife from their habitats






4. Making direct measurements






5. The loss of a natural habitat






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






7. Rising sea level






8. Provide wood






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






10. The practice of protecting the environment






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






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






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






14. Help improve the standard of living for residents






15. Watering crops

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






17. The number of different species in an area






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






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






20. An organism that can make its own food






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






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






23. Burning fossil fuels






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






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






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






27. A living part of an organism's habitat






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






29. Sex - weight - and health issues






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






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






32. By increasing the need for people to drive






33. Increase the stability of an ecosystem






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






35. The largest population that an area can support






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






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






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






39. A species that is at risk of extinction






40. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






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






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






46. Shift of population from countryside to cities






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






48. A consumer that eats both plants and animals






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






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