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






2. The practice of protecting the environment






3. A consumer that eats both plants and animals






4. Building up not out






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






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






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






8. Contamination of land - water - or air






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






10. Manage - protect and reintroduce threatened and endangered species






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






12. One way zoos and aquariums help increase wildlife populations






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






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






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






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






17. An organism that can make its own food






18. The pattern of overlapping food chains in an ecosystem






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






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






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






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






23. Habitat change and fragmentation






24. 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






25. Organism that carries pathogens






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






27. Fires that are set by humans






28. Amount of land each person uses






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






30. A living part of an organism's habitat






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






32. By increasing the need for people to drive






33. Increase the stability of an ecosystem






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






35. Any substance that poses a chemical hazard






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






37. Resulted in suppression of all forest fires


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






39. Using public transportation






40. The mating of animals in zoos or wildlife preserves






41. Chemicals that causes harm to embryos and fetuses






42. Help improve the standard of living for residents






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






44. Rising sea level






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






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






47. An area with a large population of valuable ocean organisms






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






49. Deals with biological hazards






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