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






3. Help improve the standard of living for residents






4. A consumer that eats only animals






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






6. Making direct measurements






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






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






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






10. Sex - weight - and health issues






11. Rising sea level






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






13. Leaving a population






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






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






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






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






18. A nonliving part of an organism's habitat






19. The loss of a natural habitat






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






21. Deals with biological hazards






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






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






24. The pattern of overlapping food chains in an ecosystem






25. Chemicals that cause cancer






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






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






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






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






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






31. The number of different species in an area






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






33. Contamination of land - water - or air






34. Any substance that poses a chemical hazard






35. Increase the stability of an ecosystem






36. A consumer that eats only plants






37. Can result in a decrease of property damage






38. Cooking oil - fuel - and medicines






39. The most direct way in which biodiverstiy can provide a source of income






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






41. Has the highest amount of species diversity






42. Chemicals that causes harm to embryos and fetuses






43. The practice of protecting the environment






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






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






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






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






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






49. A consumer that eats both plants and animals






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