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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 amount of replacement is equal to the amount harvested






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






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






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






5. Deals with biological hazards






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






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






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






9. Causes a cooling effect

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10. Taking in carbon dioxide from the atmosphere during photosynthesis






11. Contamination of land - water - or air






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






13. Pollution from a factory near your school






14. A consumer that eats only plants






15. The loss of a natural habitat






16. The largest population that an area can support






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






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






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






20. Chemicals that cause cancer






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






22. A consumer that eats both plants and animals






23. Chemicals that causes harm to embryos and fetuses






24. Organism that carries pathogens






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






26. Transportation systems - communications systems - water services - power supplies - and schools






27. Shift of population from countryside to cities






28. Are carefully controlled






29. An organism that is killed and eaten by another organism






30. Building up not out






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






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






33. A nonliving part of an organism's habitat






34. Fires that are set by humans






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






36. Burning fossil fuels






37. Illegal killing or removal of wildlife from their habitats






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






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






40. Loud noises in the air like jack hammers - loud car stereos - etc...






41. Manage - protect and reintroduce threatened and endangered species






42. Bumps on the roots of certain plants






43. An organism that breaks down wastes and dead organisms






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






45. Cooking oil - fuel - and medicines






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






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






48. An organism that can make its own food






49. One way zoos and aquariums help increase wildlife populations






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







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Can you answer 50 questions in 15 minutes?


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