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






2. A consumer that eats only plants






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






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






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






6. Has the highest amount of species diversity






7. The mating of animals in zoos or wildlife preserves






8. Can result in a decrease of property damage






9. The highest level of biodiversity






10. Concentrations of toxicants can be greatly multiplied with each step up the food chain






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






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






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






14. Cooking oil - fuel - and medicines






15. Amount of land each person uses






16. By increasing the need for people to drive






17. Resulted in suppression of all forest fires

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






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






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






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






22. The practice of protecting the environment






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






24. An organism that can make its own food






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






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






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






28. Any substance that poses a chemical hazard






29. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






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






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






32. Contamination of land - water - or air






33. Making direct measurements






34. Increase the stability of an ecosystem






35. Leaving a population






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






37. A consumer that eats only animals






38. Habitat change and fragmentation






39. Anything in the environment that is used by people is called a natural resource






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






41. Chemicals that causes harm to embryos and fetuses






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






43. Bumps on the roots of certain plants






44. Causes a cooling effect

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45. Help improve the standard of living for residents






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






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






48. Illegal killing or removal of wildlife from their habitats






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






50. Moving into a population







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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