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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. A relationship in which both species benefit






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






3. Flaw in design of procedure






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






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






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






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






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






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






10. The series of predictable changes that occur in a community over time






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






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






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






14. Organism that does the killing






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






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






17. Anything in the environment that is used by people






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






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






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






21. Possible to use again






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






23. Something that breaks down into soil






24. Mistake in following procedure






25. Resources supplied by nature






26. The effect of the IV






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






28. Liphids - proteins - and carbohydrates






29. Wheat -bairley -corn....carbohydrates






30. Moving into a population






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






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






33. The movement or organisms from one place to another






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






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






36. A material that cannot be recycled or reused






37. The amount of food production in a given area






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






39. An organism that breaks down wastes and dead organisms






40. All the different populations that live together in an area






41. The community of organisms that live in a particular area along with their nonliving surroundings






42. The process of cutting down only some trees in area






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






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






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






46. Behaviors and physical characteristics of species that allow them to live successfully in their environment






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






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






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






50. The rate of which a plant grows at