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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 series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






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






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






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






5. Organism that does the killing






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






7. An environmental factor that causes a population to decrease






8. The number of different species in a given area






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






10. A nonliving part of an organism's habitat






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






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






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






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






15. Anything in the environment that is used by people






16. The effect of the IV






17. Flaw in design of procedure






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






19. A habitat in which the freshwater of a river meets the salt water of an ocean






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






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






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






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






24. A material that cannot be recycled or reused






25. Liphids - proteins - and carbohydrates






26. Resources supplied by nature






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






28. The variable that you manipulate






29. A consumer that eats both plants and animals






30. Wheat -bairley -corn....carbohydrates






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






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






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






34. Leaving a population






35. Heat from the Earth's interior






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






37. Moving into a population






38. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






39. The movement or organisms from one place to another






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






41. The organism that the parasite lives in or on






42. A living part of an organism's habitat






43. The first species to populate the area






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






45. Organism that is killed






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






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






48. A consumer that eats only animals






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






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







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Can you answer 50 questions in 15 minutes?


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