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 resource that is not replaced in a useful time frame






2. Rising sea level






3. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude






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






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






6. An organism that can make its own food






7. A species that is at risk of extinction






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






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






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






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






12. Increase the stability of an ecosystem






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






14. This draws people from urban areas to rural areas






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






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






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






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






19. Provide wood






20. Bumps on the roots of certain plants






21. The loss of a natural habitat






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






23. Manage - protect and reintroduce threatened and endangered species






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






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






26. The largest population that an area can support






27. When fish are caught faster than they can breed - causing the populatio to decrease






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






29. Habitat change and fragmentation






30. Leaving a population






31. Using public transportation






32. Moving into a population






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






34. By increasing the need for people to drive






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






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






37. One way zoos and aquariums help increase wildlife populations






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






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






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






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






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






43. Are carefully controlled






44. A close relationship between two species that benefits at least one of the species






45. Shift of population from countryside to cities






46. A consumer that eats only animals






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






48. Amount of land each person uses






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






50. Causes a cooling effect