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. By increasing the need for people to drive






2. Chemicals that cause cancer






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






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






5. Rising sea level






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






7. The pattern of overlapping food chains in an ecosystem






8. Any substance that poses a chemical hazard






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






10. A living part of an organism's habitat






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






12. An organism that can make its own food






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






14. Process of measuring the chance that an environmental hazard will cause harm






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






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






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






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






19. This draws people from urban areas to rural areas






20. The largest population that an area can support






21. A consumer that eats only plants






22. The mating of animals in zoos or wildlife preserves






23. Building up not out






24. An organism that breaks down wastes and dead organisms






25. A nonliving part of an organism's habitat






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






27. Taking in carbon dioxide from the atmosphere during photosynthesis






28. A natural pattern in which species diversity generally increases toward the equator






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






30. Shift of population from countryside to cities






31. Cooking oil - fuel - and medicines






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






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






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






35. The amount of replacement is equal to the amount harvested






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






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






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






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






40. Can result in a decrease of property damage






41. Causes a cooling effect






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






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






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






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






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






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






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






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






50. Burning fossil fuels