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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. Organism that is killed






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






3. Water stored in underground layers of soil and rock






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






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






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






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






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






9. Leaving a population






10. Moving into a population






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






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






13. The number of different species in an area






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






15. Flaw in design of procedure






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






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






18. The study of how living and nonliving things interact






19. A group of land ecosystems with similar climates and organisms






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






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






22. The number of different species in a given area






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






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






25. The condition in which human needs are met in such a way that a human population can survive indefinitely






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






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






28. Possible to use again






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






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






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






32. A chart with bars






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






34. Something that breaks down into soil






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






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






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






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






39. A consumer that eats both plants and animals






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






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






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






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






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






45. A nonliving part of an organism's habitat






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






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






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






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






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