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. Provide wood






2. Chemicals that cause cancer






3. Using public transportation






4. Causes a cooling effect


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






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






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






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






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






10. Fires that are set by humans






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






12. Are carefully controlled






13. The mating of animals in zoos or wildlife preserves






14. The number of different species in an area






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






16. Taking in carbon dioxide from the atmosphere during photosynthesis






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






18. Manage - protect and reintroduce threatened and endangered species






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






20. An area with a large population of valuable ocean organisms






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






22. A consumer that eats only animals






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






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






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






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






27. Burning fossil fuels






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






29. An organism that is killed and eaten by another organism






30. Organism that carries pathogens






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






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






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






34. A consumer that eats both plants and animals






35. Leaving a population






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






37. Habitat change and fragmentation






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






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






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






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






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






43. Amount of land each person uses






44. The highest level of biodiversity






45. Chemicals that causes harm to embryos and fetuses






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






47. Resulted in suppression of all forest fires


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






49. Any substance that poses a chemical hazard






50. Watering crops