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. Pollution from a factory near your school






2. Contamination of land - water - or air






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






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






5. The loss of a natural habitat






6. A natural resource that is not replaced in a useful time frame






7. The practice of protecting the environment






8. A resource that is either always available or is naturally replaced in a relatively short time






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






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






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






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






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






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






15. Bumps on the roots of certain plants






16. The pattern of overlapping food chains in an ecosystem






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






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






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






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






21. Burning fossil fuels






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






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






24. Cooking oil - fuel - and medicines






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






26. 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






27. A species that is at risk of extinction






28. Manage - protect and reintroduce threatened and endangered species






29. Can result in a decrease of property damage






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






31. Chemicals that causes harm to embryos and fetuses






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






33. Making direct measurements






34. By increasing the need for people to drive






35. An organism that can make its own food






36. Provide wood






37. Moving into a population






38. Organism that carries pathogens






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






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






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. Fires that are set by humans






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






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






45. Rising sea level






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






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






48. Are carefully controlled






49. The largest population that an area can support






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