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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 species in danger of becoming extinct in the near future






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






3. A consumer that eats only animals






4. Possible to use again






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






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






7. The movement or organisms from one place to another






8. The first species to populate the area






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






10. The number of different species in an area






11. The largest population that an area can support






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






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






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






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






16. Water stored in underground layers of soil and rock






17. A material that cannot be recycled or reused






18. The amount of food production in a given area






19. Anything in the environment that is used by people






20. Wheat -bairley -corn....carbohydrates






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






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






23. A consumer that eats both plants and animals






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






25. An organism that breaks down wastes and dead organisms






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






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






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






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






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






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






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






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






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






35. A living part of an organism's habitat






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






37. A consumer that eats only plants






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






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






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






41. A chart with bars






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






43. Moving into a population






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






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






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






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






48. Flaw in design of procedure






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






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