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






2. Mistake in following procedure






3. The rate of which a plant grows at






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






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






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






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






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






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






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






11. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






12. A consumer that eats only animals






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






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






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






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






17. The amount of food production in a given area






18. A living part of an organism's habitat






19. Wheat -bairley -corn....carbohydrates






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






21. Organism that does the killing






22. An organism that breaks down wastes and dead organisms






23. An environmental factor that causes a population to decrease






24. Illegal killing or removal of wildlife from their habitats






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






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






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






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






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






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






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






32. Anything that harms an organism






33. The organism that the parasite lives in or on






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






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






36. Heat from the Earth's interior






37. The largest population that an area can support






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






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






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






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






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






43. The issue where humans don't take care of the Earth.






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






45. Flaw in design of procedure






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






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






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






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






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