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






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






3. Building up not out






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






5. Leaving a population






6. This draws people from urban areas to rural areas






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






8. A large area heavily populated like Miami - Florida or Toledo - Ohio






9. A species that influences the survival of many others in an ecosystem






10. Burning fossil fuels






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






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. Causes a cooling effect


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






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






16. A relationship in which one organism lives on or in a host and harms it






17. Can result in a decrease of property damage






18. Contamination of land - water - or air






19. Pollution from a factory near your school






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






21. A nonliving part of an organism's habitat






22. Fires that are set by humans






23. Provide wood






24. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist






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






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






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






28. Amount of land each person uses






29. Has the highest amount of species diversity






30. A consumer that eats both plants and animals






31. A living part of an organism's habitat






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






33. By increasing the need for people to drive






34. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






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






40. Using public transportation






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






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






43. Are carefully controlled






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






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






46. The highest level of biodiversity






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






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






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






50. The disappearance of a particular population from a given area - but not from the entire species globally