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. A species that could become endangered in the near future






2. The loss of a natural habitat






3. Taking in carbon dioxide from the atmosphere during photosynthesis






4. The breaking of a habitat into smaller - isolated pieces






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






6. A consumer that eats only animals






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






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






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






10. Cooking oil - fuel - and medicines






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






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






13. Contamination of land - water - or air






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






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






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






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






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






19. The highest level of biodiversity






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






21. Watering crops


22. The mating of animals in zoos or wildlife preserves






23. Rising sea level






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






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






26. Fires that are set by humans






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






28. Amount of land each person uses






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






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






31. Chemicals that causes harm to embryos and fetuses






32. Can result in a decrease of property damage






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






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






35. Building up not out






36. A consumer that eats both plants and animals






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






38. The practice of protecting the environment






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






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






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






42. Shift of population from countryside to cities






43. Causes a cooling effect


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






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






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






47. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat






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






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






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