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






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






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






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






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






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






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






8. The highest level of biodiversity






9. Habitat change and fragmentation






10. Causes a cooling effect


11. A species that is at risk of extinction






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






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






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






15. A species that could become endangered in the near future






16. Are carefully controlled






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






18. Illegal killing or removal of wildlife from their habitats






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






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






21. Bumps on the roots of certain plants






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






23. Manage - protect and reintroduce threatened and endangered species






24. Help improve the standard of living for residents






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






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






27. Amount of land each person uses






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






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






30. Has the highest amount of species diversity






31. The number of different species in an area






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






33. Shift of population from countryside to cities






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






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






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






37. A consumer that eats both plants and animals






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






39. Sex - weight - and health issues






40. By increasing the need for people to drive






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






42. One way zoos and aquariums help increase wildlife populations






43. Taking in carbon dioxide from the atmosphere during photosynthesis






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






45. Fires that are set by humans






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






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






48. Using public transportation






49. A natural resource that is not replaced in a useful time frame






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