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






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






3. Making direct measurements






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






5. A nonliving part of an organism's habitat






6. Pollution from a factory near your school






7. Are carefully controlled






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






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






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






11. A large area heavily populated like Miami - Florida or Toledo - Ohio






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






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






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






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






16. Contamination of land - water - or air






17. The largest population that an area can support






18. Can result in a decrease of property damage






19. Organism that carries pathogens






20. Help improve the standard of living for residents






21. An organism that can make its own food






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






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






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






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






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






27. Using public transportation






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






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






30. Burning fossil fuels






31. The disappearance of all members of a species from Earth






32. A consumer that eats both plants and animals






33. Increase the stability of an ecosystem






34. The organism that does the killing in a predation interaction






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






36. The loss of a natural habitat






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






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






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






40. Cooking oil - fuel - and medicines






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






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






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






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






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






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






47. Shift of population from countryside to cities






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






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






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