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. Increase the stability of an ecosystem






2. An example of a method for managing whole ecosystems and habitats






3. Causes a cooling effect

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


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






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






6. Are carefully controlled






7. Amount of land each person uses






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






9. Organism that carries pathogens






10. One way zoos and aquariums help increase wildlife populations






11. Fires that are set by humans






12. Pollution from a factory near your school






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






14. By increasing the need for people to drive






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






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






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






18. Chemicals that causes harm to embryos and fetuses






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






20. Viruses - bacteria and other organisms in the environment that harm human health






21. Rising sea level






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






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






24. Any substance that poses a chemical hazard






25. The number of different species in an area






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






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






28. Watering crops

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


29. A consumer that eats only animals






30. A living part of an organism's habitat






31. The practice of protecting the environment






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






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






34. Using public transportation






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






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






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






38. Land that is sparsely populated and has few buildings or roads






39. Contamination of land - water - or air






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






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






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






43. A species that is at risk of extinction






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






45. Habitat change and fragmentation






46. Help improve the standard of living for residents






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






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






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






50. Has the highest amount of species diversity