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






2. Rising sea level






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






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






5. Cooking oil - fuel - and medicines






6. Making direct measurements






7. Manage - protect and reintroduce threatened and endangered species






8. The highest level of biodiversity






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






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






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






12. Provide wood






13. The practice of protecting the environment






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






15. Habitat change and fragmentation






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






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






18. Deals with biological hazards






19. The mating of animals in zoos or wildlife preserves






20. Taking in carbon dioxide from the atmosphere during photosynthesis






21. Shift of population from countryside to cities






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






23. Can result in a decrease of property damage






24. Has the highest amount of species diversity






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






26. Bumps on the roots of certain plants






27. Water vapor and carbon dioxide that trap heat near the earth






28. Moving into a population






29. The pattern of overlapping food chains in an ecosystem






30. An organism that can make its own food






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






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






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






34. This draws people from urban areas to rural areas






35. The largest population that an area can support






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






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






38. A consumer that eats only plants






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






40. Fires that are set by humans






41. A consumer that eats only animals






42. A species that is at risk of extinction






43. The loss of a natural habitat






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






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






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






47. Leaving a population






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






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






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