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Agriculture systems: feeding the world — Homework

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Agriculture systems: feeding the world — Homework

Keep the food-safety question and any other concern about GM crops clearly separate in your answers.

  1. 1.A pesticide starts at 0.03 ppm and concentrates by a factor of 10 at each of three trophic steps. Find its final concentration.
  2. 2.Sort as more typical of industrial or sustainable agriculture: crop rotation, large monoculture, heavy synthetic pesticide use, cover cropping.
  3. 3.Explain why a persistent pesticide concentrates UP a food chain while energy is lost at each step going up.
  4. 4.State the current scientific consensus on GM food safety in one sentence.
  5. 5.Name one real, non-safety concern people raise about GM crops, and explain the mechanism behind it.
🌲 Homeschool of the FutureTwelfth Grade · Science · week 18 homework