Alyssa and Kayla 9L

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Across
  1. 1. magnification The concentration of pesticides in higher levels of food chains
  2. 4. Second part of the food chain
  3. 8. Key component of three enzymes that regulate metabolism
  4. 9. Component of an antioxidant enzyme that helps prevent decay of cell function
  5. 10. Used to kill lice that carried typhus killing allied troops in WW2
Down
  1. 2. Crucial part of red blood cells that regulates oxygen transport
  2. 3. Role in nutrition and is an energy source for metabolism
  3. 5. Mg
  4. 6. The lowest part of the food chain
  5. 7. plants Form many organic compounds