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






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






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






4. Has the highest amount of species diversity






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






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






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






8. Shift of population from countryside to cities






9. Provide wood






10. One way zoos and aquariums help increase wildlife populations






11. Leaving a population






12. Moving into a population






13. The pattern of overlapping food chains in an ecosystem






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






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






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






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






18. The loss of a natural habitat






19. A consumer that eats only plants






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






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






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






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






24. Loud noises in the air like jack hammers - loud car stereos - etc...






25. Taking in carbon dioxide from the atmosphere during photosynthesis






26. Can result in a decrease of property damage






27. Illegal killing or removal of wildlife from their habitats






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






29. A species that is at risk of extinction






30. Making direct measurements






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






32. The mating of animals in zoos or wildlife preserves






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






34. An organism that breaks down wastes and dead organisms






35. Increase the stability of an ecosystem






36. Watering crops


37. A species that could become endangered in the near future






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






39. The number of different species in an area






40. Chemicals that cause cancer






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






42. A group of land ecosystems with similar climates and organisms






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






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






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






46. Bumps on the roots of certain plants






47. This draws people from urban areas to rural areas






48. Using public transportation






49. Contamination of land - water - or air






50. Causes a cooling effect