Chapters 7-8 Review

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Across
  1. 3. type of agriculture aimed at reducing and repairing damaged caused by destructive practices
  2. 6. increase in concentration of certain toxins in successively higher trophic levels of a food chain/web
  3. 8. soybeans and _________ are the primary staple foods in the United States
  4. 9. approximately 30% of food supply that spoils in transit/storage or is thrown away after preparation
  5. 10. dose of a toxin that kills 50% of a population
  6. 12. natural process that redistributes products of geologic weathering (i.e., redistributes soil)
  7. 15. chronic iodine deficiency that may stunt growth or cause swollen thyroid glands
  8. 18. agriculture uses at least 30% of all freshwater drawn from rivers, lakes, and groundwater for ___________________
  9. 20. wheat and __________ are the primary staple foods in many developing countries
  10. 22. occurs when diets lack specific nutrients or are not balanced
  11. 26. abbreviation used for the technological innovation allowing for increased livestock production by feeding animals high-energy diets for rapid growth
  12. 29. focuses on factors that cause disease, including elements of the natural, social, cultural, and technological worlds
  13. 30. consumption of this product is a sign of wealth as it is expensive to produce
Down
  1. 1. probability of harm times the probability of exposure if a chemical is released in the environment
  2. 2. unreliable access to a nutritious and healthy diet
  3. 4. systems that raise seafood in captivity
  4. 5. water and ______ are the two main causes of erosion
  5. 7. study of toxic substance and their effects on an organism or system
  6. 11. used on crops to increase production; includes major elements of N, P, and K that are needed by most plants; may pollute run-off waters
  7. 13. a ______ disease is one that has been newly identified or is reappearing for the first time in at least 20 years
  8. 14. specific products that have increased commodity prices and have displaced food production and resulted in higher food costs
  9. 16. abbreviation used to equal one lost year of healthy life due to illness, disability, or early death
  10. 17. type of protein that accounts for 15% of global consumption; frequently related to issues such as overharvesting and habitat destruction
  11. 19. essential resource for modern agriculture; powers much of our farm machinery
  12. 21. an abnormal change in the body's condition that impairs important physical/psychological functions
  13. 23. disease causing organisms such as viruses, bacteria, and parasitic worms
  14. 24. means death
  15. 25. living resource including mineral grains, living organisms, and partially decomposed organic molecules
  16. 27. iron deficiency, may cause maternal death or hemorrhage
  17. 28. large-scale food shortage leading to starvation and death; often results from natural disasters or political conflicts