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






3. Moving into a population






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






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






6. A consumer that eats only animals






7. The amount of food production in a given area






8. The movement or organisms from one place to another






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






10. Anything that harms an organism






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






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






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






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






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






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






17. The process by which molecules of liquid absorb energy and change to gas






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






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






20. The variable that you manipulate






21. The organism that the parasite lives in or on






22. Organism that is killed






23. Something that breaks down into soil






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






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






26. A chart with bars






27. Anything in the environment that is used by people






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






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






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






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






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






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






34. The effect of the IV






35. An organism's particular role - or how it makes its living






36. The largest population that an area can support






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






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






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






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






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






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






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






44. Mass destruction of most species






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






46. Leaving a population






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






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






49. A state of poor nutrition; lacking enough calories or variety in diet






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