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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 group that does not receive the experimental treatment.






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






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






5. The number of different species in a given area






6. The amount of food production in a given area






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






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






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






10. The largest population that an area can support






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






12. An environmental factor that causes a population to decrease






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. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






15. Flaw in design of procedure






16. A chart with bars






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






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






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






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






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






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






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






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






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






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






27. Heat from the Earth's interior






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






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






30. Something that breaks down into soil






31. Anything that harms an organism






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






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






34. A consumer that eats both plants and animals






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






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






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






38. Organism that is killed






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






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






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






42. The process of changing free nitrogen gas into a usable form






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






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






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






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






47. The movement or organisms from one place to another






48. Resources supplied by nature






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






50. The rate of which a plant grows at