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 region that has many different types of organism is described as having a high level of this






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






3. Shift of population from countryside to cities






4. Organism that carries pathogens






5. Moving into a population






6. Resulted in suppression of all forest fires

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


7. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






10. Has the highest amount of species diversity






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






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






13. The pattern of overlapping food chains in an ecosystem






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






15. Any substance that poses a chemical hazard






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






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






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






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






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






21. A carnivore that feeds on the bodies of dead organisms






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






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






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






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






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






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






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






29. The practice of protecting the environment






30. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






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






32. A consumer that eats only plants






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






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






35. Illegal killing or removal of wildlife from their habitats






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






37. Sex - weight - and health issues






38. The amount of replacement is equal to the amount harvested






39. Fires that are set by humans






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






41. An organism that can make its own food






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






43. Building up not out






44. Contamination of land - water - or air






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






46. Bumps on the roots of certain plants






47. Deals with biological hazards






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






49. The largest population that an area can support






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