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. Using public transportation






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






3. A nonliving part of an organism's habitat






4. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






9. Making direct measurements






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






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






12. Shift of population from countryside to cities






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






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






15. Contamination of land - water - or air






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






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






18. Illegal killing or removal of wildlife from their habitats






19. The amount of carbon dioxide emissions for which an individual or group is responsible






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






21. A consumer that eats only plants






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






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






24. The loss of a natural habitat






25. Chemicals that causes harm to embryos and fetuses






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






27. One way zoos and aquariums help increase wildlife populations






28. Cooking oil - fuel - and medicines






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






30. A consumer that eats only animals






31. Building up not out






32. Rising sea level






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






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






35. An organism that can make its own food






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






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






38. Amount of land each person uses






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






40. Any substance that poses a chemical hazard






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






42. Bumps on the roots of certain plants






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






44. This draws people from urban areas to rural areas






45. The highest level of biodiversity






46. The process of changing free nitrogen gas into a usable form






47. A natural pattern in which species diversity generally increases toward the equator






48. The clearing of a forest and replacing it with another land use






49. The practice of protecting the environment






50. Are carefully controlled