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. One way zoos and aquariums help increase wildlife populations






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






3. The largest population that an area can support






4. A nonliving part of an organism's habitat






5. By increasing the need for people to drive






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






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






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






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






10. Taking in carbon dioxide from the atmosphere during photosynthesis






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






12. An organism that breaks down wastes and dead organisms






13. Causes a cooling effect

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


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






15. Concentrations of toxicants can be greatly multiplied with each step up the food chain






16. Habitat change and fragmentation






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






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






19. This draws people from urban areas to rural areas






20. Help improve the standard of living for residents






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






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






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






24. Fires that are set by humans






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






26. Shift of population from countryside to cities






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






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






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






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






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






32. The number of different species in an area






33. Increase the stability of an ecosystem






34. Making direct measurements






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






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






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






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






39. Are carefully controlled






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






41. The highest level of biodiversity






42. Amount of land each person uses






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






44. Pollution from a factory near your school






45. Any substance that poses a chemical hazard






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






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






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






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






50. Bumps on the roots of certain plants