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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. The struggle between organisms to survive as they attempt to use the same limited resource






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






3. Making direct measurements






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






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






6. Has the highest amount of species diversity






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






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






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






10. The number of different species in an area






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






12. One way zoos and aquariums help increase wildlife populations






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






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






15. A consumer that eats only animals






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






17. A relationship between two species in which one species benefits and the other is neither helped nor harmed






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






19. A consumer that eats both plants and animals






20. The disappearance of a particular population from a given area - but not from the entire species globally






21. A consumer that eats only plants






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






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






24. Pollution from a factory near your school






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






26. Illegal killing or removal of wildlife from their habitats






27. This draws people from urban areas to rural areas






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






29. Burning fossil fuels






30. A species that could become endangered in the near future






31. A species that is at risk of extinction






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






33. The highest level of biodiversity






34. The pattern of overlapping food chains in an ecosystem






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






36. Chemicals that causes harm to embryos and fetuses






37. Shift of population from countryside to cities






38. Amount of land each person uses






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






40. Rising sea level






41. A nonliving part of an organism's habitat






42. The practice of protecting the environment






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






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






45. Increase the stability of an ecosystem






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






47. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






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






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






50. Manage - protect and reintroduce threatened and endangered species







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Can you answer 50 questions in 15 minutes?


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