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






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






3. The number of different species in a given area






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






5. Organism that does the killing






6. Resources supplied by nature






7. A state of poor nutrition; lacking enough calories or variety in diet






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






9. Moving into a population






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






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






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






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






14. Mistake in following procedure






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






16. Behaviors and physical characteristics of species that allow them to live successfully in their environment






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






18. Something that breaks down into soil






19. The number of different species in an area






20. A material that cannot be recycled or reused






21. The rate of which a plant grows at






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






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






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






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






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






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






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






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






30. A living part of an organism's habitat






31. The practice of reducing energy use






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






33. Liphids - proteins - and carbohydrates






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






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






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






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






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






39. Anything in the environment that is used by people






40. Wheat -bairley -corn....carbohydrates






41. A nonliving part of an organism's habitat






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






43. Heat from the Earth's interior






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






45. A graph that uses line segments to show changes that occur over time






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






47. The variable that you manipulate






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






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






50. Illegal killing or removal of wildlife from their habitats