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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 graph that uses dots to compare rate of change over time






2. The amount of food production in a given area






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






4. The largest population that an area can support






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






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






7. The organism that benefits by living on or in a host






8. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






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






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






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






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






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






14. Wheat -bairley -corn....carbohydrates






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






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






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






18. An environmental factor that causes a population to decrease






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






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






21. A nonliving part of an organism's habitat






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






23. Organism that does the killing






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






25. A chart with bars






26. Mistake in following procedure






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






28. A consumer that eats both plants and animals






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






30. Water stored in underground layers of soil and rock






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






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






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






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






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






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






37. Something that breaks down into soil






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






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






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






41. The number of different species in an area






42. The first species to populate the area






43. The practice of reducing energy use






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






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






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






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






48. The movement or organisms from one place to another






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






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