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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 strong economies and a high quality of life






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






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






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






5. A relationship in which both species benefit






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






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






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






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






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






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






12. Anything in the environment that is used by people






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






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






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






16. Illegal killing or removal of wildlife from their habitats






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






18. A chart with bars






19. A nonliving part of an organism's habitat






20. A material that cannot be recycled or reused






21. The effect of the IV






22. Possible to use again






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






24. Flaw in design of procedure






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






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






27. An organism that breaks down wastes and dead organisms






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






29. The organism that the parasite lives in or on






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






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






32. Heat from the Earth's interior






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






34. Leaving a population






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






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






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






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






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






40. Resources supplied by nature






41. The number of different species in an area






42. The rate of which a plant grows at






43. The first species to populate the area






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






45. Type of graph most often used for categorical data






46. The number of different species in a given area






47. Wheat -bairley -corn....carbohydrates






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






49. Something that breaks down into soil






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