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 organism that obtains energy by feeding on the other organisms






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






3. Rising sea level






4. An organism that can make its own food






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






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






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






8. The number of different species in an area






9. Watering crops

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


10. A consumer that eats both plants and animals






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






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






13. Cooking oil - fuel - and medicines






14. Sex - weight - and health issues






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






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






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






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






19. A consumer that eats only animals






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






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






22. The mating of animals in zoos or wildlife preserves






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






24. Leaving a population






25. Burning fossil fuels






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






27. Contamination of land - water - or air






28. The largest population that an area can support






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






30. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






31. A living part of an organism's habitat






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






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






34. Manage - protect and reintroduce threatened and endangered species






35. Has the highest amount of species diversity






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






37. The loss of a natural habitat






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






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






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






41. Increase the stability of an ecosystem






42. The highest level of biodiversity






43. Building up not out






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






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






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






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






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






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






50. Shift of population from countryside to cities