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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 grid that displays the data plotted in a chart.






2. An environmental factor that causes a population to decrease






3. A living part of an organism's habitat






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






5. An environment that provides the things an organism needs to live - grow and reproduce






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






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






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






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






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






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






12. An organism that breaks down wastes and dead organisms






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






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






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






16. Resources supplied by nature






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






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






19. Type of graph most often used for categorical data






20. A consumer that eats only plants






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






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






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






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






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






26. The effect of the IV






27. Anything in the environment that is used by people






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






29. A material that cannot be recycled or reused






30. Water stored in underground layers of soil and rock






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






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






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






34. Mass destruction of most species






35. The largest population that an area can support






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






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






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






39. Wheat -bairley -corn....carbohydrates






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






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






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






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






44. The number of different species in a given area






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






46. Anything that harms an organism






47. A chart with bars






48. A relationship in which both species benefit






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






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