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






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






3. The number of different species in an area






4. Contamination of land - water - or air






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






6. Chemicals that causes harm to embryos and fetuses






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






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






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






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






11. Manage - protect and reintroduce threatened and endangered species






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






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






14. Building up not out






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






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






17. Making direct measurements






18. Are carefully controlled






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






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






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






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






23. The pattern of overlapping food chains in an ecosystem






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






25. Trees - grass - crops - wetlands - water - building and pavements






26. Watering crops


27. This draws people from urban areas to rural areas






28. Bumps on the roots of certain plants






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






30. The process of changing free nitrogen gas into a usable form






31. An area with a large population of valuable ocean organisms






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






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






34. A nonliving part of an organism's habitat






35. Resulted in suppression of all forest fires


36. The highest level of biodiversity






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






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






39. The practice of protecting the environment






40. Sex - weight - and health issues






41. Any substance that poses a chemical hazard






42. Causes a cooling effect


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






44. An environment that provides the things an organism needs to live - grow - and reproduce






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






46. Using public transportation






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






48. Shift of population from countryside to cities






49. The mating of animals in zoos or wildlife preserves






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