Ch. 15 Food and Agriculture Vocab

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Across
  1. 4. Land _______ happens when human activity or natural processes damage the land so it can no longer support the local ecosystem
  2. 7. raising of aquatic organisms for human use or consumption
  3. 8. cud chewing mammals like cattle sheep and goats
  4. 9. amount of food produced in a given area
  5. 10. sugars - wheat, corn, rice
  6. 12. amino acids - meat
  7. 13. oils and fats - olives, nuts, animal fat
  8. 18. plants that are a result of genetic engineering
  9. 19. chemicals used to kill insects, weeds, and other crop pests
  10. 21. catching or removing from a population faster than they can replace
  11. 24. chemicals produced by one organism that affect the behavior of another
  12. 25. remain unplanted
  13. 26. chemical ______________ occurs when the minerals in the rock react to form new materials
  14. 27. partly decomposed organic material
Down
  1. 1. domesticated animals raised to be used on a farm or sold for profit
  2. 2. domesticated birds raised for meat and eggs
  3. 3. condition that occurs when people do not eat sufficient foods to meet the body's needs
  4. 5. bred and managed for human use
  5. 6. resulted from new varieties of grain with larger yields
  6. 11. process by which land in arid or semi-arid areas become more desert like
  7. 14. widespread starvation caused by a shortage of food
  8. 15. accumulation of salts in the soil
  9. 16. type and amount of food one eats
  10. 17. surface layer of soil rich in organic material
  11. 20. amount of energy available in food
  12. 22. movement of rock, soil, and sand by wind and water
  13. 23. any organism that occurs where it's not wanted