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






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






3. Type of graph most often used for categorical data






4. Heat from the Earth's interior






5. Possible to use again






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






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






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






9. Flaw in design of procedure






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






11. The movement or organisms from one place to another






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






13. The effect of the IV






14. Something that breaks down into soil






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






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






17. An organism that breaks down wastes and dead organisms






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






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






20. Resources supplied by nature






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






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






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






24. A chart with bars






25. The variable that you manipulate






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






27. The largest population that an area can support






28. The first species to populate the area






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






30. The amount of food production in a given area






31. The rate of which a plant grows at






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






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






34. A consumer that eats only plants






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






36. Moving into a population






37. Mistake in following procedure






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






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






40. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






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






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






43. Mass destruction of most species






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






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






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






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






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






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






50. A consumer that eats both plants and animals