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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. Rice - corn - potatos - wheat - soy beans






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






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






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






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






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






7. Organism that does the killing






8. An organism that can make it's own food






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






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






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






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






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






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






15. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






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






17. A higer demand of that limited product the the price goes up






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






19. A chart with bars






20. Leaving a population






21. Flaw in design of procedure






22. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






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






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






25. A graph that highlights segments of a circle to show simple distribution patterns






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






27. The study of how living and nonliving things interact






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






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






30. Possible to use again






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






32. The process in which the changes that make organisms better suited to their environments develop






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






34. Mass destruction of most species






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






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






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






38. A nonliving part of an organism's habitat






39. The organism that the parasite lives in or on






40. Anything in the environment that is used by people






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






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






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






44. A material that cannot be recycled or reused






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






46. An environmental factor that causes a population to decrease






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






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






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






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