End of cycle Crossword

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Across
  1. 1. Respiration that uses oxygen
  2. 3. The green pigment in the leaf
  3. 4. Tightly coiled, double helix structure
  4. 6. At the start of the food chain
  5. 7. Where anaerobic respiration takes place
  6. 9. Cells that surround stomata
  7. 10. Reacts with Oxygen in aerobic respiration
  8. 11. When a species dies out
  9. 12. Top of the food chain
  10. 15. These help animals and plants survive in certain environments
  11. 19. How producers make their food
Down
  1. 2. Where photosynthesis takes place
  2. 4. After exercise, the body is in Oxygen ____
  3. 5. Controls the cell, full of DNA
  4. 8. Where aerobic respiration takes place
  5. 13. A short section of DNA
  6. 14. The energy needed in photosynthesis
  7. 16. Layer of the plant full of chloroplast
  8. 17. Respiration without oxygen
  9. 18. The acid that gets produced in anaerobic