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 consumer that eats both plants and animals






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






3. Loud noises in the air like jack hammers - loud car stereos - etc...






4. The mating of animals in zoos or wildlife preserves






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






6. Causes a cooling effect

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






8. This draws people from urban areas to rural areas






9. Rising sea level






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






11. Has the highest amount of species diversity






12. The loss of a natural habitat






13. The number of different species in an area






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






15. A consumer that eats only animals






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






17. Moving into a population






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






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






20. A living part of an organism's habitat






21. Sex - weight - and health issues






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






23. Leaving a population






24. A species that is at risk of extinction






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






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






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






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






29. A nonliving part of an organism's habitat






30. Chemicals that cause cancer






31. Manage - protect and reintroduce threatened and endangered species






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






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






34. Contamination of land - water - or air






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






36. An organism that is killed and eaten by another organism






37. Organism that carries pathogens






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






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






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






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






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






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






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






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






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






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






48. Burning fossil fuels






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






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