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 series of events in which one organism eats another and obtains energy






2. A consumer that eats both plants and animals






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






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






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






6. Taking in carbon dioxide from the atmosphere during photosynthesis






7. A nonliving part of an organism's habitat






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






9. The study of how living things interact with each other and their environment






10. Making direct measurements






11. Sex - weight - and health issues






12. A consumer that eats only animals






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






14. Has the highest amount of species diversity






15. Can result in a decrease of property damage






16. 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






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






18. Contamination of land - water - or air






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






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






21. A behavior or physical characteristic that allows an organism to live successfully in its environment






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






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






24. Chemicals that causes harm to embryos and fetuses






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






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






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






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






29. Organism that carries pathogens






30. The practice of protecting the environment






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






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






33. Using public transportation






34. Cooking oil - fuel - and medicines






35. An organism that can make its own food






36. Provide wood






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






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






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






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






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






42. Chemicals that cause cancer






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






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






45. Increase the stability of an ecosystem






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






47. The loss of a natural habitat






48. The number of different species in an area






49. Fires that are set by humans






50. Shift of population from countryside to cities