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






2. Anything in the environment that is used by people






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






4. Mass destruction of most species






5. Something that breaks down into soil






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






7. The study of how living and nonliving things interact






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






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






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






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






12. A nonliving part of an organism's habitat






13. A consumer that eats both plants and animals






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






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






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






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






18. The movement or organisms from one place to another






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






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






21. The practice of reducing energy use






22. Struggle between organisms to survive in a habitat with limited resources






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






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






25. A relationship in which both species benefit






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






27. The number of different species in an area






28. The rate of which a plant grows at






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






30. Possible to use again






31. An interaction in which one organism kills and eats another






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






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






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






35. The organism that the parasite lives in or on






36. Moving into a population






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






38. The number of different species in a given area






39. A relationship in which one species benefits and the other is neither helped nor harmed






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






41. A chart with bars






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






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






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






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






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






47. A material that cannot be recycled or reused






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






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






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