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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 measure of human demand on the Earth's ecosystems






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






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






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






5. The number of different species in a given area






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






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






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






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






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






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






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






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






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






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






16. The largest population that an area can support






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






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






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






20. A higer demand of that limited product the the price goes up






21. Organism that does the killing






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






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






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






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






26. A material that cannot be recycled or reused






27. Liphids - proteins - and carbohydrates






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






29. The process of changing free nitrogen gas into a usable form






30. An environmental factor that causes a population to decrease






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






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






33. A consumer that eats both plants and animals






34. A living part of an organism's habitat






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






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






37. Anything that harms an organism






38. A chart with bars






39. Water stored in underground layers of soil and rock






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






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






42. The number of different species in an area






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






44. The variable that you manipulate






45. Mistake in following procedure






46. A resource that is able to be reused - or can be replenished quickly






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






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






49. Mass destruction of most species






50. Moving into a population