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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 process of changing free nitrogen gas into a usable form






2. Water vapor and carbon dioxide that trap heat near the earth






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






4. This draws people from urban areas to rural areas






5. Pollution from a factory near your school






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






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






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






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






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






11. Amount of land each person uses






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






13. Help improve the standard of living for residents






14. Resulted in suppression of all forest fires

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15. Has the highest amount of species diversity






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






17. 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






18. A consumer that eats only animals






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






20. Moving into a population






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






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






23. Are carefully controlled






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






25. The number of different species in an area






26. The practice of protecting the environment






27. Organism that carries pathogens






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






29. Leaving a population






30. Fires that are set by humans






31. Bumps on the roots of certain plants






32. The largest population that an area can support






33. Causes a cooling effect

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34. Chemicals that cause cancer






35. Burning fossil fuels






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






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






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






39. When fish are caught faster than they can breed - causing the populatio to decrease






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






41. Habitat change and fragmentation






42. Making direct measurements






43. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






44. Watering crops

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45. The organism that does the killing in a predation interaction






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






47. Building up not out






48. Contamination of land - water - or air






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






50. Rising sea level







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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