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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. Resources supplied by nature






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






3. A living part of an organism's habitat






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






5. The act of restricting your food intake (or your intake of particular foods)






6. A consumer that eats only animals






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






8. An organism that can make it's own food






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






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






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






12. Possible to use again






13. Heat from the Earth's interior






14. The pattern of overlapping food chains in an ecosystem.






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






16. The effect of the IV






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






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






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






20. Leaving a population






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






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






23. Water stored in underground layers of soil and rock






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






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






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






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






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






29. Organism that is killed






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






31. A consumer that eats only plants






32. The largest population that an area can support






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






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






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






36. An organism that breaks down wastes and dead organisms






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






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






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






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






41. The typical weather pattern in an area over a long period of time






42. Mistake in following procedure






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






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






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






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






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






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






49. The organism that the parasite lives in or on






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







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