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






2. The rate of which a plant grows at






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






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






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






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






7. An organism that breaks down wastes and dead organisms






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






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






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






11. Anything that harms an organism






12. Water stored in underground layers of soil and rock






13. The variable that you manipulate






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






15. A consumer that eats only plants






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






17. The issue where humans don't take care of the Earth.






18. A species in danger of becoming extinct in the near future






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






20. An environmental factor that causes a population to decrease






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






22. A study that compares the costs and benefits to society of providing a public good






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






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






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






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






27. Illegal killing or removal of wildlife from their habitats






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






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






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






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






32. The study of how living and nonliving things interact






33. Something that breaks down into soil






34. Organism that does the killing






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






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






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






38. The practice of reducing energy use






39. Anything in the environment that is used by people






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






41. A relationship in which both species benefit






42. A material that cannot be recycled or reused






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






44. The movement or organisms from one place to another






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






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






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






48. Mass destruction of most species






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






50. Type of graph most often used for categorical data






Can you answer 50 questions in 15 minutes?



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