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