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






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






3. Organism that does the killing






4. Any form of water that falls to the Earth's surface






5. A close relationship between two species that benefits at least one of them






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






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






8. A living part of an organism's habitat






9. The practice of reducing energy use






10. The act of restricting your food intake (or your intake of particular foods)






11. All the different populations that live together in an area






12. Countries with strong economies and a high quality of life






13. A consumer that eats both plants and animals






14. The number of different species in an area






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






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






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






18. A consumer that eats only animals






19. Water stored in underground layers of soil and rock






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






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






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






23. Illegal killing or removal of wildlife from their habitats






24. Wheat -bairley -corn....carbohydrates






25. A resource that is able to be reused - or can be replenished quickly






26. Resources supplied by nature






27. Leaving a population






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






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






30. The disappearance of all members of a species from Earth






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






32. Something that breaks down into soil






33. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






34. A resource that is not able to be reused - or cannot be replenished quickly






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






36. The group that does not receive the experimental treatment.






37. Moving into a population






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






39. The process by which a gas changes to a liquid






40. In an experiment - the group of participants that recieves the manipulation






41. Liphids - proteins - and carbohydrates






42. The continuous process by which water moves from Earth's surface to the atmosphere and back






43. A material that cannot be recycled or reused






44. The effect of the IV






45. A graph that uses dots to compare rate of change over time






46. Organism that is killed






47. A measure of human demand on the Earth's ecosystems






48. Anything in the environment that is used by people






49. Type of graph most often used for categorical data






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







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Can you answer 50 questions in 15 minutes?


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