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






2. Wheat -bairley -corn....carbohydrates






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






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






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






6. The movement or organisms from one place to another






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






8. A material that cannot be recycled or reused






9. The study of the impact of humans on the environment






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






11. Organism that does the killing






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






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






14. The study of how living and nonliving things interact






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






16. The effect of the IV






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






18. Anything that harms an organism






19. Flaw in design of procedure






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






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






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






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






24. The number of different species in a given area






25. A consumer that eats both plants and animals






26. Resources supplied by nature






27. An organism that breaks down wastes and dead organisms






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






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






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






31. Possible to use again






32. Heat from the Earth's interior






33. A consumer that eats only animals






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






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






36. A resource that is either always available or is naturally replaced in a relatively short time






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






38. A consumer that eats only plants






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






40. Anything in the environment that is used by people






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






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






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






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






45. Mass destruction of most species






46. Something that breaks down into soil






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






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






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






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