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. An area with a large population of valuable ocean organisms






2. The largest population that an area can support






3. Moving into a population






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






5. The highest level of biodiversity






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






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






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






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






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






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






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






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






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






15. Process of measuring the chance that an environmental hazard will cause harm






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






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






18. Shift of population from countryside to cities






19. The practice of protecting the environment






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






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






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






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






24. A species that is at risk of extinction






25. Contamination of land - water - or air






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






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






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






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






30. Using public transportation






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






32. The most effective way of preserving biodiversity by protecting whole ecosystems






33. Making direct measurements






34. Deals with biological hazards






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






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






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






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






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






40. Chemicals that causes harm to embryos and fetuses






41. Illegal killing or removal of wildlife from their habitats






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






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






44. Pollution from a factory near your school






45. Are carefully controlled






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






47. Manage - protect and reintroduce threatened and endangered species






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






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






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