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. All the members of one species in a particular area






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






3. A nonliving part of an organism's habitat






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






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






6. Using public transportation






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






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






9. The pattern of overlapping food chains in an ecosystem






10. A consumer that eats both plants and animals






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






12. Leaving a population






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






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






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






16. The practice of protecting the environment






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






18. Sex - weight - and health issues






19. Bumps on the roots of certain plants






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






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






22. Help improve the standard of living for residents






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






24. Making direct measurements






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






26. The amount of carbon dioxide emissions for which an individual or group is responsible






27. Moving into a population






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






29. One way zoos and aquariums help increase wildlife populations






30. Amount of land each person uses






31. Contamination of land - water - or air






32. Causes a cooling effect

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33. An organism that breaks down wastes and dead organisms






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






35. A living part of an organism's habitat






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






37. Increase the stability of an ecosystem






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






39. The loss of a natural habitat






40. Burning fossil fuels






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






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






43. Habitat change and fragmentation






44. Cooking oil - fuel - and medicines






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






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






47. Deals with biological hazards






48. The number of different species in an area






49. The most direct way in which biodiverstiy can provide a source of income






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