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






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






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






4. Illegal killing or removal of wildlife from their habitats






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






6. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






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






8. Possible to use again






9. The study of the impact of humans on the environment






10. The number of different species in a given area






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






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






13. A nonliving part of an organism's habitat






14. Leaving a population






15. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






16. Anything that harms an organism






17. The largest population that an area can support






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






19. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.






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






21. Organism that is killed






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






23. Something that breaks down into soil






24. Moving into a population






25. A chart with bars






26. Flaw in design of procedure






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






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






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






30. The study of how living and nonliving things interact






31. A consumer that eats only animals






32. The practice of reducing energy use






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






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






35. The number of different species in an area






36. Resources supplied by nature






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






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






39. A material that cannot be recycled or reused






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






41. A relationship in which both species benefit






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






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






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






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






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






47. The amount of food production in a given area






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






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






50. The movement or organisms from one place to another