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






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






3. Water stored in underground layers of soil and rock






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






5. An organism that obtains energy by feeding on other organisms






6. The number of different species in an area






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






8. The amount of food production in a given area






9. A graph that highlights segments of a circle to show simple distribution patterns






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






11. Leaving a population






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






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






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






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






16. A consumer that eats only animals






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






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






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






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






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






22. A relationship in which both species benefit






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






24. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






26. Type of graph most often used for categorical data






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






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






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






30. The number of different species in a given area






31. Something that breaks down into soil






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






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






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






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






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






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






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






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






40. Liphids - proteins - and carbohydrates






41. The movement or organisms from one place to another






42. The variable that you manipulate






43. The largest population that an area can support






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






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






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






47. The rate of which a plant grows at






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






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






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