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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. Using public transportation






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






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






4. Building up not out






5. 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






6. One way zoos and aquariums help increase wildlife populations






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






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






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






10. Illegal killing or removal of wildlife from their habitats






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






12. Manage - protect and reintroduce threatened and endangered species






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






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






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






16. The study of how living things interact with each other and their environment






17. Amount of land each person uses






18. The practice of protecting the environment






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






20. The loss of a natural habitat






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






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






23. A living part of an organism's habitat






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






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






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






27. Bumps on the roots of certain plants






28. The highest level of biodiversity






29. A close relationship between two species that benefits at least one of the species






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






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






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






33. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






34. Resulted in suppression of all forest fires

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






36. Burning fossil fuels






37. The number of different species in an area






38. Contamination of land - water - or air






39. Chemicals that cause cancer






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






41. An organism that breaks down wastes and dead organisms






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






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






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






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






46. A consumer that eats both plants and animals






47. Deals with biological hazards






48. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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