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. Causes a cooling effect

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2. The highest level of biodiversity






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






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






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






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






7. A consumer that eats only animals






8. The study of how living things interact with each other and their environment






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






10. This draws people from urban areas to rural areas






11. A living part of an organism's habitat






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






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






14. An organism that can make its own food






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






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






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






18. Taking in carbon dioxide from the atmosphere during photosynthesis






19. Using public transportation






20. Manage - protect and reintroduce threatened and endangered species






21. The pattern of overlapping food chains in an ecosystem






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






23. Amount of land each person uses






24. Contamination of land - water - or air






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






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






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






28. One way zoos and aquariums help increase wildlife populations






29. Deals with biological hazards






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






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






32. A species that is at risk of extinction






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






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






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






36. The largest population that an area can support






37. Sex - weight - and health issues






38. Chemicals that cause cancer






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






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






41. Moving into a population






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






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






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






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






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






47. Building up not out






48. A consumer that eats only plants






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






50. Help improve the standard of living for residents