Test your basic knowledge |

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






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






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






4. Pollution from a factory near your school






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






6. Can result in a decrease of property damage






7. A consumer that eats only plants






8. Provide wood






9. Burning fossil fuels






10. This draws people from urban areas to rural areas






11. Illegal killing or removal of wildlife from their habitats






12. The pattern of overlapping food chains in an ecosystem






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






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






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






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






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






18. Building up not out






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






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






21. Organism that carries pathogens






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. Deals with biological hazards






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






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






26. The practice of protecting the environment






27. Help improve the standard of living for residents






28. Moving into a population






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






30. A living part of an organism's habitat






31. Resulted in suppression of all forest fires

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32. Amount of land each person uses






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






34. Contamination of land - water - or air






35. Chemicals that causes harm to embryos and fetuses






36. Rising sea level






37. A species that is at risk of extinction






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






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






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






41. A virus or bacterium (organisms) that cause infectious diseases






42. Causes a cooling effect

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






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






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






46. Are carefully controlled






47. Manage - protect and reintroduce threatened and endangered species






48. Watering crops

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49. Increase the stability of an ecosystem






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