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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. Can result in a decrease of property damage






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






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






4. The number of different species in an area






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






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






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






8. An organism that can make its own food






9. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






10. Provide wood






11. A natural pattern in which species diversity generally increases toward the equator






12. Causes a cooling effect

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13. Resulted in suppression of all forest fires

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14. Illegal killing or removal of wildlife from their habitats






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






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






17. Sex - weight - and health issues






18. Increase the stability of an ecosystem






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






20. Building up not out






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






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






23. Watering crops

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






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






26. Fires that are set by humans






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






28. Cooking oil - fuel - and medicines






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






30. Burning fossil fuels






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






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






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






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






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






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






38. Taking in carbon dioxide from the atmosphere during photosynthesis






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






40. A species that is at risk of extinction






41. Help improve the standard of living for residents






42. A natural resource that is not replaced in a useful time frame






43. Habitat change and fragmentation






44. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






45. Chemicals that causes harm to embryos and fetuses






46. The largest population that an area can support






47. Bumps on the roots of certain plants






48. Chemicals that cause cancer






49. The mating of animals in zoos or wildlife preserves






50. A consumer that eats both plants and animals






Can you answer 50 questions in 15 minutes?



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