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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. The process by which a gas changes to a liquid






2. Leaving a population






3. A close relationship between two species that benefits at least one of them






4. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






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






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






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






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






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






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






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






12. A material that cannot be recycled or reused






13. A relationship in which both species benefit






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






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






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






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






18. Organism that does the killing






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






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






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






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






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






24. Rice - corn - potatos - wheat - soy beans






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






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






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






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






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






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






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






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






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






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






35. Resources supplied by nature






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






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






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






39. Water stored in underground layers of soil and rock






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






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






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






43. Something that breaks down into soil






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






45. The number of different species in an area






46. Possible to use again






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






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






49. Mistake in following procedure






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