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






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






3. The number of different species in an area






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






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






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






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






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






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






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






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






12. Mass destruction of most species






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






14. A consumer that eats only animals






15. The practice of reducing energy use






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






17. The study of how living and nonliving things interact






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






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






20. The degree of hotness or coldness of a body or environment






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






22. The number of different species in a given area






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






24. Organism that does the killing






25. Organism that is killed






26. Resources supplied by nature






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






28. Possible to use again






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






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






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






32. Liphids - proteins - and carbohydrates






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






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






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






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






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






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






39. The variable that you manipulate






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






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






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






43. The organism that the parasite lives in or on






44. Anything that harms an organism






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






46. Moving into a population






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






48. The rate of which a plant grows at






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






50. A relationship in which both species benefit







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