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. Deals with biological hazards






2. Resulted in suppression of all forest fires






3. This draws people from urban areas to rural areas






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






5. Fires that are set by humans






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






7. A consumer that eats only plants






8. The highest level of biodiversity






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






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






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






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






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






14. The loss of a natural habitat






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






16. The number of different species in an area






17. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






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






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






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






24. The practice of protecting the environment






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






26. An organism that breaks down wastes and dead organisms






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






28. An organism that can make its own food






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






30. Organism that carries pathogens






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






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






33. Burning fossil fuels






34. Habitat change and fragmentation






35. Cooking oil - fuel - and medicines






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






37. The mating of animals in zoos or wildlife preserves






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






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






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






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






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






43. Contamination of land - water - or air






44. The breaking of a habitat into smaller - isolated pieces






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






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






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






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






49. Pollution from a factory near your school






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