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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 consumer that eats only animals






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






3. The largest population that an area can support






4. The study of how living and nonliving things interact






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






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






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






8. Resources supplied by nature






9. A nonliving part of an organism's habitat






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






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






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






13. A relationship in which both species benefit






14. The amount of food production in a given area






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






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






17. Heat from the Earth's interior






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






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






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






21. The rate of which a plant grows at






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






23. Moving into a population






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






25. Illegal killing or removal of wildlife from their habitats






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






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






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






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






30. Flaw in design of procedure






31. Wheat -bairley -corn....carbohydrates






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






33. The movement or organisms from one place to another






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






35. Leaving a population






36. Organism that does the killing






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






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






39. A material that cannot be recycled or reused






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






41. Mistake in following procedure






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






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






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






45. The number of different species in an area






46. Anything that harms an organism






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






48. The group that does not receive the experimental treatment.






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






50. Possible to use again







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Can you answer 50 questions in 15 minutes?


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