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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. The amount of food production in a given area






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






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






4. Leaving a population






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






6. Wheat -bairley -corn....carbohydrates






7. The effect of the IV






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






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






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






11. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






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






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






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






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






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






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






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






19. Organism that does the killing






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






21. The practice of reducing energy use






22. Water stored in underground layers of soil and rock






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






24. The study of how living and nonliving things interact






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






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






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






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






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






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






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






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






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






34. An environmental factor that causes a population to decrease






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






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






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






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






39. The largest population that an area can support






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






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






42. Possible to use again






43. A relationship that involves one organism living on or inside another organism and harming it






44. The number of different species in an area






45. Illegal killing or removal of wildlife from their habitats






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






47. The variable that you manipulate






48. Mass destruction of most species






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






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