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






2. By increasing the need for people to drive






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






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






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






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






7. The pattern of overlapping food chains in an ecosystem






8. A consumer that eats only animals






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






10. An organism that can make its own food






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






12. Habitat change and fragmentation






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






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






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






16. The mating of animals in zoos or wildlife preserves






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






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






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






20. Provide wood






21. Are carefully controlled






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






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






24. Contamination of land - water - or air






25. Has the highest amount of species diversity






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






27. Can result in a decrease of property damage






28. Organism that carries pathogens






29. The number of different species in an area






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






31. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






34. Deals with biological hazards






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






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






37. Resulted in suppression of all forest fires

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






39. A consumer that eats only plants






40. Soil - fresh water - wild animals - and timber






41. A nonliving part of an organism's habitat






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






43. Building up not out






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






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






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






47. Help improve the standard of living for residents






48. A consumer that eats both plants and animals






49. Bumps on the roots of certain plants






50. Causes a cooling effect

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Can you answer 50 questions in 15 minutes?



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