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






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






3. Deals with biological hazards






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






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






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






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






8. Amount of land each person uses






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






10. Can result in a decrease of property damage






11. Any substance that poses a chemical hazard






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






13. By increasing the need for people to drive






14. Increase the stability of an ecosystem






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






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






17. The highest level of biodiversity






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






19. Sex - weight - and health issues






20. Building up not out






21. Making direct measurements






22. One way zoos and aquariums help increase wildlife populations






23. Habitat change and fragmentation






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






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






26. Bumps on the roots of certain plants






27. Using public transportation






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






29. The largest population that an area can support






30. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






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






36. This draws people from urban areas to rural areas






37. A living part of an organism's habitat






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






39. Moving into a population






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






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






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






43. A consumer that eats only animals






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






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






46. Causes a cooling effect






47. A nonliving part of an organism's habitat






48. Burning fossil fuels






49. Provide wood






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