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






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






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






4. Contamination of land - water - or air






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






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






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






8. A species that is at risk of extinction






9. Shift of population from countryside to cities






10. Leaving a population






11. Increase the stability of an ecosystem






12. Deals with biological hazards






13. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist






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






15. Causes a cooling effect

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


16. Using public transportation






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






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






19. A consumer that eats only animals






20. Are carefully controlled






21. Transportation systems - communications systems - water services - power supplies - and schools






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






23. Rising sea level






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






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






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






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






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






29. The highest level of biodiversity






30. A nonliving part of an organism's habitat






31. Cooking oil - fuel - and medicines






32. An organism that breaks down wastes and dead organisms






33. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






36. Making direct measurements






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






38. A consumer that eats only plants






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






40. The number of different species in an area






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






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






43. Have a greater sensitivity to environmental hazards than any other group






44. 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


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






46. By increasing the need for people to drive






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






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






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






50. Amount of land each person uses