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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 of changing free nitrogen gas into a usable form






2. The amount of food production in a given area






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






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






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






6. Anything that harms an organism






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






8. A nonliving part of an organism's habitat






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






10. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






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






12. A measure of human demand on the Earth's ecosystems






13. A grid that displays the data plotted in a chart.






14. The number of different species in an area






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






16. Illegal killing or removal of wildlife from their habitats






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






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






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






20. Organism that does the killing






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






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






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






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






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






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






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






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






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






30. The study of how living and nonliving things interact






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






32. Heat from the Earth's interior






33. A material that cannot be recycled or reused






34. An environmental factor that causes a population to decrease






35. A consumer that eats only plants






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






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






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






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






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






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






42. Resources supplied by nature






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






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






45. A living part of an organism's habitat






46. Mistake in following procedure






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






48. The effect of the IV






49. A consumer that eats only animals






50. Leaving a population