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






2. A close relationship between two species that benefits at least one of the species






3. Fires that are set by humans






4. Increase the stability of an ecosystem






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






6. Pollution from a factory near your school






7. The loss of a natural habitat






8. A consumer that eats only plants






9. Chemicals that cause cancer






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






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






12. Has the highest amount of species diversity






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






14. Taking in carbon dioxide from the atmosphere during photosynthesis






15. 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






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






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






18. A natural pattern in which species diversity generally increases toward the equator






19. The largest population that an area can support






20. Watering crops

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






22. Amount of land each person uses






23. The role of an organism in its habitat - or how it makes its living






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






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






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






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






28. Anything in the environment that is used by people is called a natural resource






29. Sex - weight - and health issues






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






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






32. Organism that carries pathogens






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






34. Can result in a decrease of property damage






35. The pattern of overlapping food chains in an ecosystem






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






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






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






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






40. Manage - protect and reintroduce threatened and endangered species






41. Burning fossil fuels






42. The number of different species in an area






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






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






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






46. Causes a cooling effect

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47. Help improve the standard of living for residents






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






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






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