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DSST Environmental Sciences Vocab

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 carnivore that feeds on the bodies of dead organisms






2. Heat from the Earth's interior






3. A grid that displays the data plotted in a chart.






4. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






5. A consumer that eats only animals






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






7. The study of how living and nonliving things interact






8. Mass destruction of most species






9. The pattern of overlapping food chains in an ecosystem.






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






11. An organism's particular role - or how it makes its living






12. The process by which molecules of liquid absorb energy and change to gas






13. A material that cannot be recycled or reused






14. Illegal killing or removal of wildlife from their habitats






15. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






16. Rice - corn - potatos - wheat - soy beans






17. When a large fraction of the resource has been used up






18. An organism that obtains energy by feeding on other organisms






19. A nonliving part of an organism's habitat






20. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






21. A living part of an organism's habitat






22. The typical weather pattern in an area over a long period of time






23. The organism that benefits by living on or in a host






24. The series of predictable changes that occur in a community over time






25. The community of organisms that live in a particular area along with their nonliving surroundings






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






27. Possible to use again






28. The number of different species in a given area






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






30. Countries with less productive economies and a lower quality of life






31. Leaving a population






32. Farmers who raise food and animals mainly to feed their own families






33. A species that influences the survival of many others in an ecosystem






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






35. A relationship in which both species benefit






36. Wheat -bairley -corn....carbohydrates






37. An environmental factor that causes a population to decrease






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






39. The amount of food production in a given area






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






41. The rate of which a plant grows at






42. The degree of hotness or coldness of a body or environment






43. The process of cutting down only some trees in area






44. Liphids - proteins - and carbohydrates






45. Capable of being broken down by bacteria or other decomposers






46. Moving into a population






47. The variable that you manipulate






48. The condition in which human needs are met in such a way that a human population can survive indefinitely






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






50. An organism that breaks down wastes and dead organisms







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Can you answer 50 questions in 15 minutes?


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