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






2. The series of changes that occur in an area where no soil or organisms exist






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






4. By increasing the need for people to drive






5. Rising sea level






6. Provide wood






7. An area with a large population of valuable ocean organisms






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






9. Causes a cooling effect

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






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






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






13. Bumps on the roots of certain plants






14. Habitat change and fragmentation






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






16. An organism that breaks down wastes and dead organisms






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






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






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






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






21. An organism that can make its own food






22. Fires that are set by humans






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






24. A consumer that eats only plants






25. Land that is sparsely populated and has few buildings or roads






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






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






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






29. Can result in a decrease of property damage






30. Chemicals that causes harm to embryos and fetuses






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






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






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






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






35. A species that is at risk of extinction






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






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






38. Manage - protect and reintroduce threatened and endangered species






39. Illegal killing or removal of wildlife from their habitats






40. A consumer that eats only animals






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






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






43. Burning fossil fuels






44. Amount of land each person uses






45. Contamination of land - water - or air






46. The pattern of overlapping food chains in an ecosystem






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






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






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






50. The role of an organism in its habitat - or how it makes its living