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






2. Possible to use again






3. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






5. Heat from the Earth's interior






6. A relationship in which both species benefit






7. A material that cannot be recycled or reused






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






9. The first species to populate the area






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






11. The number of different species in an area






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






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






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






15. A living part of an organism's habitat






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






17. A consumer that eats only plants






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






19. A consumer that eats only animals






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






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






22. The amount of food production in a given area






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






24. Mistake in following procedure






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






26. Wheat -bairley -corn....carbohydrates






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






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






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






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






31. A species that could become endangered in the near future






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






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






34. Anything in the environment that is used by people






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






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






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






38. Organism that does the killing






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






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






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






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






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






44. A species in danger of becoming extinct in the near future






45. The number of different species in a given area






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






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






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






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






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