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






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






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






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






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






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






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






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






9. Wheat -bairley -corn....carbohydrates






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






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






12. Illegal killing or removal of wildlife from their habitats






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






14. A nonliving part of an organism's habitat






15. Moving into a population






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






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






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






19. A chart with bars






20. The variable that you manipulate






21. Anything that harms an organism






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






23. The study of how living and nonliving things interact






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






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






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






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






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






29. A material that cannot be recycled or reused






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






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






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






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






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






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






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






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






38. The effect of the IV






39. Mass destruction of most species






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






41. Heat from the Earth's interior






42. An environmental factor that causes a population to decrease






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






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






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






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






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






48. The rate of which a plant grows at






49. Liphids - proteins - and carbohydrates






50. Flaw in design of procedure