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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 influences the survival of many others in an ecosystem






2. Habitat change and fragmentation






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






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






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






6. Increase the stability of an ecosystem






7. Bumps on the roots of certain plants






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






9. Sex - weight - and health issues






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






11. An organism that can make its own food






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






13. The largest population that an area can support






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






15. Burning fossil fuels






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






17. Resulted in suppression of all forest fires

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






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






20. Contamination of land - water - or air






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






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






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






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






25. By increasing the need for people to drive






26. A resource that is either always available or is naturally replaced in a relatively short time






27. Can result in a decrease of property damage






28. Manage - protect and reintroduce threatened and endangered species






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






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






31. Refers to an increase in Earth's average surface temperature






32. The most effective way of preserving biodiversity by protecting whole ecosystems






33. The pattern of overlapping food chains in an ecosystem






34. The highest level of biodiversity






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






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






37. Leaving a population






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






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






40. The loss of a natural habitat






41. Taking in carbon dioxide from the atmosphere during photosynthesis






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






43. The number of different species in an area






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






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






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






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






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






49. Chemicals that cause cancer






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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