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. Moving into a population






2. Rising sea level






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






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






5. Help improve the standard of living for residents






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






7. Bumps on the roots of certain plants






8. By increasing the need for people to drive






9. An organism that can make its own food






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






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






12. A species that influences the survival of many others in an ecosystem






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






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






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






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






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






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






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






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






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






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






23. The loss of a natural habitat






24. A consumer that eats both plants and animals






25. Contamination of land - water - or air






26. Cooking oil - fuel - and medicines






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






28. A relationship in which one organism lives on or in a host and harms it






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






30. 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






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






32. The largest population that an area can support






33. This draws people from urban areas to rural areas






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






35. Fires that are set by humans






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






37. Leaving a population






38. Chemicals that cause cancer






39. Can result in a decrease of property damage






40. Habitat change and fragmentation






41. One way zoos and aquariums help increase wildlife populations






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






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






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






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






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






47. Organism that carries pathogens






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






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






50. Taking in carbon dioxide from the atmosphere during photosynthesis