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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 higer demand of that limited product the the price goes up






2. A graph that uses line segments to show changes that occur over time






3. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






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






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






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






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






8. The issue where humans don't take care of the Earth.






9. The number of different species in an area






10. The practice of reducing energy use






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






12. Type of graph most often used for categorical data






13. An organism that breaks down wastes and dead organisms






14. Something that does not completely break down into the soil






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






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






17. A study that compares the costs and benefits to society of providing a public good






18. Anything in the environment that is used by people






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






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






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






22. An environmental factor that causes a population to decrease






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






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






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






26. The movement or organisms from one place to another






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






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






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






30. A living part of an organism's habitat






31. Water stored in underground layers of soil and rock






32. The amount of food production in a given area






33. Resources supplied by nature






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






35. A habitat in which the freshwater of a river meets the salt water of an ocean






36. The first species to populate the area






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






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






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






40. Wheat -bairley -corn....carbohydrates






41. A relationship in which both species benefit






42. The largest population that an area can support






43. The organism that the parasite lives in or on






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






45. People who survive by searching for wild plants and animals; always move in small groups






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






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






48. Organism that is killed






49. The effect of the IV






50. Illegal killing or removal of wildlife from their habitats