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. Help improve the standard of living for residents






2. Amount of land each person uses






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






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






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






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






7. Any substance that poses a chemical hazard






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






9. Watering crops

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10. A consumer that eats both plants and animals






11. Fires that are set by humans






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






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






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






15. Contamination of land - water - or air






16. Concentrations of toxicants can be greatly multiplied with each step up the food chain






17. Deals with biological hazards






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






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






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






21. A consumer that eats only plants






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






23. Manage - protect and reintroduce threatened and endangered species






24. Cooking oil - fuel - and medicines






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






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






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






28. Shift of population from countryside to cities






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






30. The process of cutting down only some trees in an area






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






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






33. Sex - weight - and health issues






34. Organism that carries pathogens






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






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






37. Resulted in suppression of all forest fires

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38. Building up not out






39. 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






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






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






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






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






44. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






48. Can result in a decrease of property damage






49. Chemicals that causes harm to embryos and fetuses






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