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






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






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






4. Anything in the environment that is used by people






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






6. Wheat -bairley -corn....carbohydrates






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






8. A consumer that eats only plants






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






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






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






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






13. The organism that the parasite lives in or on






14. Mass destruction of most species






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






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






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






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






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






20. Type of graph most often used for categorical data






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






22. A chart with bars






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






24. A relationship that involves one organism living on or inside another organism and harming it






25. Leaving a population






26. Flaw in design of procedure






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






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






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






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






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






32. Organism that does the killing






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






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






35. An organism that breaks down wastes and dead organisms






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






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






38. The amount of food production in a given area






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






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






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






42. The largest population that an area can support






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






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






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






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






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






48. All the members of one species in a particular area






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






50. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist







Sorry!:) No result found.

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