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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. The community of organisms that live in a particular area along with their nonliving surroundings






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






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






4. The variable that you manipulate






5. Countries with strong economies and a high quality of life






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






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






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






9. Heat from the Earth's interior






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






11. Wheat -bairley -corn....carbohydrates






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






13. Resources supplied by nature






14. Water stored in underground layers of soil and rock






15. Mistake in following procedure






16. A consumer that eats only animals






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






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






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






20. The amount of food production in a given area






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






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






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






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






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






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






27. Flaw in design of procedure






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






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






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






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






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






33. A living part of an organism's habitat






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






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






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






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






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






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






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






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






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






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






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






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






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






47. The practice of reducing energy use






48. The number of different species in a given area






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






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