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






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






3. Organism that carries pathogens






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






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






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






7. Can result in a decrease of property damage






8. Causes a cooling effect

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






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






11. By increasing the need for people to drive






12. Amount of land each person uses






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






14. The number of different species in an area






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






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






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






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






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






20. Species that are carried to a new location by people






21. Manage - protect and reintroduce threatened and endangered species






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






23. Fires that are set by humans






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






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






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






27. A living part of an organism's habitat






28. Shift of population from countryside to cities






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






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






31. Pollution from a factory near your school






32. Burning fossil fuels






33. Leaving a population






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






35. Rising sea level






36. Using public transportation






37. A consumer that eats only plants






38. An organism that can make its own food






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






40. Contamination of land - water - or air






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






42. Deals with biological hazards






43. Sex - weight - and health issues






44. Building up not out






45. This draws people from urban areas to rural areas






46. Moving into a population






47. The mating of animals in zoos or wildlife preserves






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






49. Has the highest amount of species diversity






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