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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. Organism that does the killing






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






3. A relationship in which both species benefit






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






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






6. The practice of reducing energy use






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






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






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






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






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






12. Heat from the Earth's interior






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






14. Anything in the environment that is used by people






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






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






17. Wheat -bairley -corn....carbohydrates






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






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






20. The organism that the parasite lives in or on






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






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






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






24. Organism that is killed






25. An organism that breaks down wastes and dead organisms






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






27. The amount of food production in a given area






28. A living part of an organism's habitat






29. The largest population that an area can support






30. The community of organisms that live in a particular area along with their nonliving surroundings






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






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






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






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






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






36. Moving into a population






37. A consumer that eats only animals






38. A chart with bars






39. The first species to populate the area






40. Something that breaks down into soil






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






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






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






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






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






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






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






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






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






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