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






2. An organism that can make its own food






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






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






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






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






7. The largest population that an area can support






8. A consumer that eats only plants






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






10. By increasing the need for people to drive






11. The highest level of biodiversity






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






13. One way zoos and aquariums help increase wildlife populations






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






15. Pollution from a factory near your school






16. Moving into a population






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






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






19. A relationship between two species in which both species benefit






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






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






22. Fires that are set by humans






23. A consumer that eats only animals






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






25. A species that is at risk of extinction






26. The loss of a natural habitat






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






28. Resulted in suppression of all forest fires

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






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






31. Amount of land each person uses






32. Sex - weight - and health issues






33. Using public transportation






34. A living part of an organism's habitat






35. 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






36. Contamination of land - water - or air






37. Chemical hazard that was once found in paint - young children are frequently tested for this






38. Increase the stability of an ecosystem






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






40. The mating of animals in zoos or wildlife preserves






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






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






43. The study of the natural processes that occur in the environment and how humans can affect them






44. Habitat change and fragmentation






45. An organism that breaks down wastes and dead organisms






46. This draws people from urban areas to rural areas






47. Can result in a decrease of property damage






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






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






50. Making direct measurements